{"id":"https://openalex.org/W7224106595","doi":"https://doi.org/10.21037/jgo-2026-0800","title":"Diagnostic performance of contrast-enhanced transabdominal ultrasound with gastric filling in preoperative T-staging of advanced gastric cancer: a retrospective study","display_name":"Diagnostic performance of contrast-enhanced transabdominal ultrasound with gastric filling in preoperative T-staging of advanced gastric cancer: a retrospective study","publication_year":2026,"publication_date":"2026-10-01","ids":{"openalex":"https://openalex.org/W7224106595","doi":"https://doi.org/10.21037/jgo-2026-0800","pmid":"https://pubmed.ncbi.nlm.nih.gov/42996823","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/13740556"},"language":"en","primary_location":{"id":"doi:10.21037/jgo-2026-0800","doi":"https://doi.org/10.21037/jgo-2026-0800","is_oa":true,"landing_page_url":"https://doi.org/10.21037/jgo-2026-0800","pdf_url":null,"source":{"id":"https://openalex.org/S2764940779","display_name":"Journal of Gastrointestinal Oncology","issn_l":"2078-6891","issn":["2078-6891","2219-679X"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","doyens","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-3"],"host_organization":"https://openalex.org/P4310321814","host_organization_name":"AME Publishing Company","host_organization_lineage":["https://openalex.org/P4310321814"],"host_organization_lineage_names":["AME Publishing Company"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Gastrointestinal Oncology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.21037/jgo-2026-0800","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5160033831","display_name":"Mingjia Lv","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210121984","display_name":"Shengli Oilfield Central Hospital","ror":"https://ror.org/035wt7p80","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210121984"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mingjia Lv","raw_affiliation_strings":["Department of Ultrasound Medicine, Shengli Oilfield Central Hospital, Dongying, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Ultrasound Medicine, Shengli Oilfield Central Hospital, Dongying, China","institution_ids":["https://openalex.org/I4210121984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082779695","display_name":"Wendi Zou","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210121984","display_name":"Shengli Oilfield Central Hospital","ror":"https://ror.org/035wt7p80","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210121984"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wendi Zou","raw_affiliation_strings":["Department of Ultrasound Medicine, Shengli Oilfield Central Hospital, Dongying, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Ultrasound Medicine, Shengli Oilfield Central Hospital, Dongying, China","institution_ids":["https://openalex.org/I4210121984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160000924","display_name":"Yuan Song","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210121984","display_name":"Shengli Oilfield Central Hospital","ror":"https://ror.org/035wt7p80","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210121984"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yuan Song","raw_affiliation_strings":["Department of Ultrasound Medicine, Shengli Oilfield Central Hospital, Dongying, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Ultrasound Medicine, Shengli Oilfield Central Hospital, Dongying, China","institution_ids":["https://openalex.org/I4210121984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100764252","display_name":"Liang Dong","orcid":"https://orcid.org/0000-0003-3918-1913","observed_orcids":["https://orcid.org/0000-0003-3918-1913"]},"institutions":[{"id":"https://openalex.org/I4210121984","display_name":"Shengli Oilfield Central Hospital","ror":"https://ror.org/035wt7p80","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210121984"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liang Dong","raw_affiliation_strings":["Department of Ultrasound Medicine, Shengli Oilfield Central Hospital, Dongying, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Ultrasound Medicine, Shengli Oilfield Central Hospital, Dongying, China","institution_ids":["https://openalex.org/I4210121984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160055087","display_name":"Wei Cui","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210121984","display_name":"Shengli Oilfield Central Hospital","ror":"https://ror.org/035wt7p80","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210121984"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Cui","raw_affiliation_strings":["Department of Ultrasound Medicine, Shengli Oilfield Central Hospital, Dongying, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Ultrasound Medicine, Shengli Oilfield Central Hospital, Dongying, China","institution_ids":["https://openalex.org/I4210121984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160055091","display_name":"Yan Wang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210121984","display_name":"Shengli Oilfield Central Hospital","ror":"https://ror.org/035wt7p80","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210121984"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Wang","raw_affiliation_strings":["Department of Ultrasound Medicine, Shengli Oilfield Central Hospital, Dongying, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Ultrasound Medicine, Shengli Oilfield Central Hospital, Dongying, China","institution_ids":["https://openalex.org/I4210121984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5160031072","display_name":"Shuang Yang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210121984","display_name":"Shengli Oilfield Central Hospital","ror":"https://ror.org/035wt7p80","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210121984"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuang Yang","raw_affiliation_strings":["Department of Ultrasound Medicine, Shengli Oilfield Central Hospital, Dongying, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Ultrasound Medicine, Shengli Oilfield Central Hospital, Dongying, China","institution_ids":["https://openalex.org/I4210121984"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5160000924"],"corresponding_institution_ids":["https://openalex.org/I4210121984"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.80765005,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"17","issue":"5","first_page":"287","last_page":"287"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10696","display_name":"Gastric Cancer Management and Outcomes","score":0.9916999936103821,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10696","display_name":"Gastric Cancer Management and Outcomes","score":0.9916999936103821,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11738","display_name":"Ultrasound in Clinical Applications","score":0.00279999990016222,"subfield":{"id":"https://openalex.org/subfields/2706","display_name":"Critical Care and Intensive Care Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10727","display_name":"Ultrasound Imaging and Elastography","score":0.000699999975040555,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/contrast-enhanced-ultrasound","display_name":"contrast-enhanced ultrasound","score":0.9190000295639038},{"id":"https://openalex.org/keywords/advanced-gastric-cancer","display_name":"advanced gastric cancer","score":0.9950000047683716},{"id":"https://openalex.org/keywords/local-invasion","display_name":"local invasion","score":0.5910000205039978},{"id":"https://openalex.org/keywords/t4-disease","display_name":"T4 disease","score":0.6600000262260437},{"id":"https://openalex.org/keywords/serosal-invasion","display_name":"serosal invasion","score":0.671999990940094},{"id":"https://openalex.org/keywords/diagnostic-accuracy","display_name":"diagnostic accuracy","score":0.7519999742507935},{"id":"https://openalex.org/keywords/gastrectomy","display_name":"gastrectomy","score":0.8069999814033508},{"id":"https://openalex.org/keywords/interobserver-agreement","display_name":"interobserver agreement","score":0.7049999833106995},{"id":"https://openalex.org/keywords/pathological-t-stage","display_name":"pathological T stage","score":0.3569999933242798},{"id":"https://openalex.org/keywords/computed-tomography","display_name":"computed tomography","score":0.5910000205039978},{"id":"https://openalex.org/keywords/endoscopic-ultrasound","display_name":"endoscopic ultrasound","score":0.8949999809265137},{"id":"https://openalex.org/keywords/surgical-planning","display_name":"surgical planning","score":0.3529999852180481},{"id":"https://openalex.org/keywords/prognostic-factors","display_name":"prognostic factors","score":0.44200000166893005},{"id":"https://openalex.org/keywords/prognostic-score","display_name":"prognostic score","score":0.31200000643730164}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9743000268936157},{"id":"https://openalex.org/C167135981","wikidata":"https://www.wikidata.org/wiki/Q2146302","display_name":"Retrospective cohort study","level":2,"score":0.7702999711036682},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.6262999773025513},{"id":"https://openalex.org/C58471807","wikidata":"https://www.wikidata.org/wiki/Q327120","display_name":"Receiver operating characteristic","level":2,"score":0.6193000078201294},{"id":"https://openalex.org/C31174226","wikidata":"https://www.wikidata.org/wiki/Q64855140","display_name":"Perioperative","level":2,"score":0.6068000197410583},{"id":"https://openalex.org/C146357865","wikidata":"https://www.wikidata.org/wiki/Q1123245","display_name":"Stage (stratigraphy)","level":2,"score":0.5652999877929688},{"id":"https://openalex.org/C3020132585","wikidata":"https://www.wikidata.org/wiki/Q2671652","display_name":"Diagnostic accuracy","level":2,"score":0.5291000008583069},{"id":"https://openalex.org/C2780470880","wikidata":"https://www.wikidata.org/wiki/Q827390","display_name":"Gastrectomy","level":3,"score":0.5009999871253967},{"id":"https://openalex.org/C3019719930","wikidata":"https://www.wikidata.org/wiki/Q3910099","display_name":"Predictive value","level":2,"score":0.4368000030517578},{"id":"https://openalex.org/C198433322","wikidata":"https://www.wikidata.org/wiki/Q3910099","display_name":"Predictive value of tests","level":2,"score":0.43549999594688416},{"id":"https://openalex.org/C2779585989","wikidata":"https://www.wikidata.org/wiki/Q500458","display_name":"Contrast-enhanced ultrasound","level":3,"score":0.43479999899864197},{"id":"https://openalex.org/C143753070","wikidata":"https://www.wikidata.org/wiki/Q162564","display_name":"Ultrasound","level":2,"score":0.40389999747276306},{"id":"https://openalex.org/C72563966","wikidata":"https://www.wikidata.org/wiki/Q1303415","display_name":"Cohort","level":2,"score":0.38769999146461487},{"id":"https://openalex.org/C187960798","wikidata":"https://www.wikidata.org/wiki/Q7631152","display_name":"Subgroup analysis","level":3,"score":0.3612000048160553},{"id":"https://openalex.org/C2779422922","wikidata":"https://www.wikidata.org/wiki/Q1029907","display_name":"Stomach","level":2,"score":0.3564000129699707},{"id":"https://openalex.org/C76318530","wikidata":"https://www.wikidata.org/wiki/Q16833590","display_name":"Area under the curve","level":2,"score":0.33719998598098755},{"id":"https://openalex.org/C53789813","wikidata":"https://www.wikidata.org/wiki/Q3553769","display_name":"Positive predicative value","level":3,"score":0.32839998602867126},{"id":"https://openalex.org/C2910543872","wikidata":"https://www.wikidata.org/wiki/Q590460","display_name":"Transabdominal ultrasound","level":3,"score":0.3255000114440918},{"id":"https://openalex.org/C2777722626","wikidata":"https://www.wikidata.org/wiki/Q2902695","display_name":"Preoperative care","level":2,"score":0.29589998722076416},{"id":"https://openalex.org/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.2745000123977661},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.2678999900817871},{"id":"https://openalex.org/C201903717","wikidata":"https://www.wikidata.org/wiki/Q1778788","display_name":"Cohort study","level":2,"score":0.26649999618530273},{"id":"https://openalex.org/C2776170712","wikidata":"https://www.wikidata.org/wiki/Q180071","display_name":"Fine-needle aspiration","level":3,"score":0.2581999897956848}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.21037/jgo-2026-0800","doi":"https://doi.org/10.21037/jgo-2026-0800","is_oa":true,"landing_page_url":"https://doi.org/10.21037/jgo-2026-0800","pdf_url":null,"source":{"id":"https://openalex.org/S2764940779","display_name":"Journal of Gastrointestinal Oncology","issn_l":"2078-6891","issn":["2078-6891","2219-679X"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","doyens","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-3"],"host_organization":"https://openalex.org/P4310321814","host_organization_name":"AME Publishing Company","host_organization_lineage":["https://openalex.org/P4310321814"],"host_organization_lineage_names":["AME Publishing Company"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Gastrointestinal Oncology","raw_type":"journal-article"},{"id":"pmid:42996823","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/42996823","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of gastrointestinal oncology","raw_type":"Journal Article"},{"id":"pmh:oai:pubmedcentral.nih.gov:13740556","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC13740556/","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"J Gastrointest Oncol","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.21037/jgo-2026-0800","doi":"https://doi.org/10.21037/jgo-2026-0800","is_oa":true,"landing_page_url":"https://doi.org/10.21037/jgo-2026-0800","pdf_url":null,"source":{"id":"https://openalex.org/S2764940779","display_name":"Journal of Gastrointestinal Oncology","issn_l":"2078-6891","issn":["2078-6891","2219-679X"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","doyens","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-3"],"host_organization":"https://openalex.org/P4310321814","host_organization_name":"AME Publishing Company","host_organization_lineage":["https://openalex.org/P4310321814"],"host_organization_lineage_names":["AME Publishing Company"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Gastrointestinal Oncology","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.98580002784729,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2397804163","https://openalex.org/W4403628727","https://openalex.org/W4388775398","https://openalex.org/W7214179708","https://openalex.org/W2314175738","https://openalex.org/W2416949810","https://openalex.org/W4399870001","https://openalex.org/W7215110536","https://openalex.org/W4317797588","https://openalex.org/W2377370201"],"abstract_inverted_index":{"Background:":[0],"Accurate":[1],"preoperative":[2,40],"assessment":[3],"of":[4,31,130,210,223],"local":[5],"invasion":[6],"remains":[7],"important":[8],"in":[9,13,43],"gastric":[10,37,47,63,243],"cancer,":[11],"particularly":[12],"distinguishing":[14],"T3/T4":[15],"disease":[16,216],"that":[17],"may":[18,269],"alter":[19],"operative":[20],"planning":[21],"and":[22,74,77,114,139,149,180,193,219,261],"perioperative":[23],"treatment.":[24],"This":[25,50],"study":[26,55],"evaluated":[27],"the":[28,97,123,202],"diagnostic":[29,53],"performance":[30],"transabdominal":[32],"contrast-enhanced":[33],"ultrasound":[34,298],"(CEUS)":[35],"with":[36,62,143,259],"filling":[38,64],"for":[39,96,188,191,195,208,221,242,264,274],"T":[41,89,212],"staging":[42],"surgically":[44,250],"treated":[45,251],"advanced":[46],"cancer.":[48],"Methods:":[49],"retrospective":[51],"single-center":[52,252],"accuracy":[54,116,181,185,231,238],"included":[56],"consecutive":[57],"patients":[58],"who":[59],"underwent":[60],"CEUS":[61,137],"(CEUS-GF)":[65],"within":[66],"2":[67],"weeks":[68],"before":[69,281],"gastrectomy":[70],"between":[71,135],"January":[72],"2023":[73],"December":[75],"2025":[76],"had":[78],"postoperative":[79,120],"pathologic":[80,161,211,265],"T2-T4":[81,253],"disease.":[82,198,227,267],"Two":[83],"blinded":[84],"sonographers":[85],"independently":[86],"assigned":[87],"clinical":[88],"(cT)":[90],"stage;":[91],"discrepant":[92],"cases":[93],"were":[94,117],"adjudicated":[95],"final":[98,136],"imaging":[99],"classification.":[100],"Exact":[101,228],"agreement,":[102],"Cohen's":[103],"\u03ba,":[104],"stage-specific":[105],"performance,":[106],"binary":[107],"discrimination,":[108],"receiver":[109],"operating":[110],"characteristic":[111],"(ROC)":[112],"analysis,":[113],"subgroup":[115,236],"assessed":[118],"against":[119],"pathology":[121,140,260],"as":[122,151],"reference":[124],"standard.":[125],"Results:":[126],"In":[127,234,248],"this":[128,249],"cohort":[129],"180":[131],"patients,":[132],"exact":[133],"agreement":[134,145,156,258],"stage":[138,213],"was":[141,157,165,168,173,178,182,186,206,232,239],"84.4%,":[142],"substantial":[144],"after":[146],"grouping":[147],"T4a":[148],"T4b":[150],"T4":[152,162,197,266],"(\u03ba=0.781);":[153],"initial":[154],"inter-reader":[155],"\u03ba=0.822.":[158],"For":[159],"identifying":[160],"disease,":[163],"sensitivity":[164],"95.8%,":[166],"specificity":[167],"94.4%,":[169],"positive":[170],"predictive":[171,176],"value":[172,177,293],"92.0%,":[174],"negative":[175],"97.1%,":[179],"95.0%.":[183],"Stage-specific":[184],"90.0%":[187],"T2,":[189],"87.2%":[190],"T3,":[192],"95.0%":[194],"grouped":[196],"The":[199],"area":[200],"under":[201],"ROC":[203],"curve":[204],"(AUC)":[205],"0.876":[207],"discrimination":[209,222,263],"(pT)":[214],"3-or-higher":[215],"from":[217,225],"pT2":[218],"0.966":[220],"pT4":[224],"non-T4":[226],"T4a/T4b":[229],"subclassification":[230],"91.7%.":[233],"descriptive":[235],"analyses,":[237],"numerically":[240],"highest":[241],"body":[244],"lesions":[245],"(91.8%).":[246],"Conclusions:":[247],"cohort,":[254],"CEUS-GF":[255,268],"showed":[256],"good":[257],"high":[262],"be":[270],"a":[271],"useful":[272],"adjunct":[273],"assessing":[275],"suspected":[276],"serosal":[277],"or":[278],"extragastric":[279],"extension":[280],"surgery;":[282],"prospective":[283],"multicenter":[284],"paired-comparison":[285],"studies":[286],"are":[287],"needed":[288],"to":[289],"define":[290],"its":[291],"incremental":[292],"beyond":[294],"computed":[295],"tomography":[296],"(CT)/endoscopic":[297],"(EUS).":[299]},"counts_by_year":[],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2026-10-29T00:00:00"}