{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T11:15:27Z","timestamp":1788434127042,"version":"build-2803163510"},"reference-count":23,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2026,4,7]],"date-time":"2026-04-07T00:00:00Z","timestamp":1775520000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2026,4,7]],"date-time":"2026-04-07T00:00:00Z","timestamp":1775520000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Annals of Gastroent Surgery"],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>In right hemicolectomy (RHC) and left\u2010sided transverse colectomy (TC), D3 lymph node dissection is oncologically significant but technically demanding because of marked vascular variability. Standardization requires reliable preoperative anatomical assessment. We evaluated colic vascular anatomy and quantified D3 dissection distance using computed tomography colonography\u2010angiography (CTC\u2010A).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We retrospectively analyzed 591 patients with primary right or transverse colon cancer who underwent preoperative CTC\u2010A during 2014\u20132023. Arterial origins, venous drainage, and positional relationships around the superior mesenteric artery (SMA) and vein (SMV) were classified. After excluding aberrant cases, branching patterns relevant to D3 dissection were categorized and D3 distances measured along the SMA centerline using curved planar reformation images.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      An accessory middle colic artery (aMCA) was present in 38.1% of patients (SMA\u2010derived, 76.4%). The MCA originated as a common trunk in 77.8% and as independent branches in 19.0%. The right colic artery (RCA) was observed in 41.8%. Four reproducible vascular patterns each were identified for RHC and TC. In RHC (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u2009490), independent\u2010origin MCA was consistently associated with shorter D3 distances (RCA\u2010present, 22.5 vs. 27.5\u2009mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.012; RCA\u2010absent, 16.5 vs. 20.5\u2009mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001). In TC (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u2009524), the aMCA originated dorsal to the pancreas in ~23%, and D3 distance was shorter in aMCAs with an independent\u2010origin MCA (18.0 vs. 25.0\u2009mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>High\u2010resolution CTC\u2010A yielded a single\u2010modality, operation\u2010oriented mapping integrating tumor location with mesenteric arteriovenous anatomy. Pattern\u2010based classification and objective D3 distance estimation may support preoperative planning and help establish standardized, safer D3 lymphadenectomy for right\u2010sided and transverse colon cancer.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ags3.70215","type":"journal-article","created":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T00:31:28Z","timestamp":1775608288000},"page":"1120-1132","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Preoperative Computed Tomography Colonography\u2010Angiography for Vascular Mapping to Guide and Standardize\n                    <scp>D3<\/scp>\n                    Lymphadenectomy in Right\u2010Sided and Transverse Colon Cancer"],"prefix":"10.1002","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0009-0006-0705-816X","authenticated-orcid":false,"given":"Takeharu","family":"Kato","sequence":"first","affiliation":[{"name":"Department of Colorectal Surgery National Cancer Center Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3366-3826","authenticated-orcid":false,"given":"Yukihide","family":"Kanemitsu","sequence":"additional","affiliation":[{"name":"Department of Colorectal Surgery National Cancer Center Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mototaka","family":"Miyake","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Radiology National Cancer Center Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gen","family":"Tomizawa","sequence":"additional","affiliation":[{"name":"Department of Colorectal Surgery National Cancer Center Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-4422-6604","authenticated-orcid":false,"given":"Kohei","family":"Takura","sequence":"additional","affiliation":[{"name":"Department of Colorectal Surgery National Cancer Center Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0902-9208","authenticated-orcid":false,"given":"Hiroshi","family":"Nagata","sequence":"additional","affiliation":[{"name":"Department of Colorectal Surgery National Cancer Center Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9751-3309","authenticated-orcid":false,"given":"Yasuyuki","family":"Takamizawa","sequence":"additional","affiliation":[{"name":"Department of Colorectal Surgery National Cancer Center Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Konosuke","family":"Moritani","sequence":"additional","affiliation":[{"name":"Department of Colorectal Surgery National Cancer Center Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5143-6312","authenticated-orcid":false,"given":"Shunsuke","family":"Tsukamoto","sequence":"additional","affiliation":[{"name":"Department of Colorectal Surgery National Cancer Center Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,4,7]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1463-1318.2008.01735.x"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.23922\/jarc.2019-018"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12957-021-02215-4"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1097\/DCR.0b013e3182919093"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/ags3.12703"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11605-019-04460-1"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00384-020-03773-x"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/ases.12349"},{"key":"e_1_2_11_10_1","article-title":"Vascular Variations Encountered During Laparoscopic Surgery for Transverse Colon, Splenic Flexure, and Descending Colon Cancer: A Retrospective Cohort Study","volume":"22","author":"Nakao T.","year":"2022","journal-title":"BMC Surgery. 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