{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,25]],"date-time":"2026-08-25T08:28:53Z","timestamp":1787646533587,"version":"build-2736575974"},"reference-count":27,"publisher":"SAGE Publications","issue":"8","license":[{"start":{"date-parts":[[2024,2,1]],"date-time":"2024-02-01T00:00:00Z","timestamp":1706745600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2024,2,1]],"date-time":"2024-02-01T00:00:00Z","timestamp":1706745600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100002347","name":"Bundesministerium f\u00fcr Bildung und Forschung","doi-asserted-by":"publisher","award":["16LW0239K"],"award-info":[{"award-number":["16LW0239K"]}],"id":[{"id":"10.13039\/501100002347","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Int J Surg Pathol"],"published-print":{"date-parts":[[2024,12]]},"abstract":"<jats:p>\n                    The prognostic role of tumor cells in pancreatic ductal adenocarcinoma (PDAC) of the pancreatic head with direct microscopic infiltration (DMI) or in close proximity (\u22641\u2005mm) to the resection margin (RM) remains unclear. This single-center, retrospective study included specimens from 75 patients who underwent oncological resection of pancreatic head PDAC between February 2013 and July 2020. Two pathologists independently re-measured the distance between tumors and the multiple RMs. The impact of RM involvement for DMI, tumor cells within \u22641\u2005mm, in general, and for individual RMs on overall survival (OS) and development of distant pulmonary (PM) and hepatic (HM) metastasis was analyzed. DMI of RMs was significantly associated with a shorter OS (median 5 vs 19 months,\n                    <jats:italic toggle=\"yes\">P<\/jats:italic>\n                    \u2009=\u2009.02). The presence of tumor cells within \u22641\u2005mm of RMs yielded a negative impact on OS with a trend toward significance (median 9 vs 21 months,\n                    <jats:italic toggle=\"yes\">P<\/jats:italic>\n                    \u2009=\u2009.09). DMI and tumor cells within \u22641\u2005mm of the pancreatic transection margin (PRM), individually, had a significant negative impact on OS (median 4 vs 19 months and 6 vs 19 months,\n                    <jats:italic toggle=\"yes\">P<\/jats:italic>\n                    \u2009&lt;\u2009.05), but not for any other individual RM. RM involvement of \u22641\u2005mm of only the vascular circumferential resection margin (VCRM) resulted in a shorter time to HM development (\n                    <jats:italic toggle=\"yes\">P<\/jats:italic>\n                    \u2009=\u20090.05). DMI of the posterior circumferential resection margin (PCRM) and VCRM, individually, showed shorter time to PM (\n                    <jats:italic toggle=\"yes\">P<\/jats:italic>\n                    \u2009&lt;\u2009.05). Potential clinical considerations include extended intraoperative evaluation of the PRM (1\u2005mm) and intensified preoperative prediction of R1 resection as a basis for neoadjuvant therapy.\n                  <\/jats:p>","DOI":"10.1177\/10668969241229342","type":"journal-article","created":{"date-parts":[[2024,2,2]],"date-time":"2024-02-02T01:51:00Z","timestamp":1706838660000},"page":"1429-1440","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Stepwise Analysis of Resection Margin Impact on Survival and Distant Metastasis in Pancreatic Head Ductal Adenocarcinoma"],"prefix":"10.1177","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1513-8339","authenticated-orcid":false,"given":"Florian N.","family":"Loch","sequence":"first","affiliation":[{"name":"Charit\u00e9\u2014Universit\u00e4tsmedizin Berlin"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carsten","family":"Kamphues","sequence":"additional","affiliation":[{"name":"Department of Surgery, Park-Klinik Wei\u00dfensee, Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Freschta","family":"Rieger","sequence":"additional","affiliation":[{"name":"Department of Surgery, Park-Klinik Wei\u00dfensee, Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katharina","family":"Beyer","sequence":"additional","affiliation":[{"name":"Charit\u00e9\u2014Universit\u00e4tsmedizin Berlin"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wael","family":"Rayya","sequence":"additional","affiliation":[{"name":"Charit\u00e9\u2014Universit\u00e4tsmedizin Berlin"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9189-6751","authenticated-orcid":false,"given":"Christian","family":"Schineis","sequence":"additional","affiliation":[{"name":"Charit\u00e9\u2014Universit\u00e4tsmedizin Berlin"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frederick","family":"Klauschen","sequence":"additional","affiliation":[{"name":"Charit\u00e9\u2014Universit\u00e4tsmedizin Berlin"},{"name":"German Cancer Research Center (DKFZ)"},{"name":"BIFOLD - The Berlin Institute for the Foundations of Learning and Data"},{"name":"Institute of Pathology, Ludwig-Maximilians-University Munich, M\u00fcnchen, Germany"},{"name":"German Cancer Research Center (DKFZ)"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Horst","sequence":"additional","affiliation":[{"name":"Charit\u00e9\u2014Universit\u00e4tsmedizin Berlin"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Simon","family":"Schallenberg","sequence":"additional","affiliation":[{"name":"Charit\u00e9\u2014Universit\u00e4tsmedizin Berlin"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mihnea P.","family":"Dragomir","sequence":"additional","affiliation":[{"name":"Charit\u00e9\u2014Universit\u00e4tsmedizin Berlin"},{"name":"German Cancer Research Center (DKFZ)"},{"name":"Berlin Institute of Health at Charit\u00e9"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2024,2,1]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.14740\/wjon1166"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.3390\/diagnostics11030562"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1001\/jamanetworkopen.2021.4708"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.amjsurg.2017.11.021"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1477-2574.2012.00571.x"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1245\/s10434-021-10401-7"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1097\/SLA.0000000000002557"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.1097\/SLA.0b013e3181d77369"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.3390\/cancers14010201"},{"key":"e_1_3_2_11_2","doi-asserted-by":"publisher","DOI":"10.1002\/cncr.24320"},{"key":"e_1_3_2_12_2","volume-title":"TNM Classification of Malignant Tumors","author":"Hermanek P","year":"1987","unstructured":"Hermanek P, Sobin LH. 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