{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T06:08:46Z","timestamp":1788847726543,"version":"build-2803163510"},"reference-count":35,"publisher":"SAGE Publications","issue":"10","license":[{"start":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T00:00:00Z","timestamp":1778112000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["The American Surgeon\u2122"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Sarcopenia is recognized as a predictor of adverse outcomes in colorectal cancer, but evidence regarding its impact specifically in right-sided colon cancer remains limited. This study aimed to evaluate the prognostic significance of sarcopenia in patients undergoing colectomy for right-sided colon cancer.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We retrospectively analyzed 228 patients with right-sided colon adenocarcinoma who underwent curative-intent colectomy between 2016 and 2021 in a single institution. Sarcopenia was diagnosed using the psoas muscle index (PMI) on preoperative CT scans. Clinicopathologic variables, postoperative complications, overall survival (OS), and disease-free survival (DFS) were compared between sarcopenic and non-sarcopenic groups.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Among sarcopenic patients (34.2%), postoperative complications occurred in 46.2% compared with 23.3% of non-sarcopenic patients (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .001). Sarcopenia was significantly associated with intra-abdominal infection (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.040), pulmonary infection (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .011), cardiac complications (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .013), urinary tract infection (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .013), and postoperative hypoalbuminemia (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .022). Logistic regression identified postoperative hypoalbuminemia (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .026) and prolonged hospital stay (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .002) as independent predictors of complications. The 5-year OS was 19.7% in sarcopenic patients vs 43.0% in non-sarcopenic patients (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .597), and 5-year DFS was 43.1% vs 51.7% (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .154). Multivariate Cox analysis identified age \u226565 years (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .015), male sex (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .007), stage IV disease (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .016), and elevated CEA (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .021) as independent predictors of OS, and age \u226565 years (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .046) and stage IV disease (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .001) as independent predictors of DFS, while sarcopenia was not an independent predictor of either outcome.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Sarcopenia was strongly associated with postoperative complications but not with OS or DFS. These findings suggest sarcopenia reflects perioperative risk rather than long-term prognosis in this subgroup.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/00031348261450572","type":"journal-article","created":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T10:33:40Z","timestamp":1778150020000},"page":"2565-2575","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Clinical Impact of Preoperative Sarcopenia on the Outcome of Patients With Right-Sided Colon Cancer"],"prefix":"10.1177","volume":"92","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8349-3298","authenticated-orcid":false,"given":"Ergin","family":"Ergin\u00f6z","sequence":"first","affiliation":[{"name":"Memorial Sloan Kettering Cancer Center"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mahmut Alper","family":"G\u00fclda\u011f","sequence":"additional","affiliation":[{"name":"Istanbul University \u2013 Cerrahpasa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marika","family":"Nakashidze","sequence":"additional","affiliation":[{"name":"Istanbul University \u2013 Cerrahpasa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kevser","family":"Sak","sequence":"additional","affiliation":[{"name":"Dulkadiroglu District Health Directorate"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sefa","family":"Erg\u00fcn","sequence":"additional","affiliation":[{"name":"Istanbul University \u2013 Cerrahpasa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Server Sezgin","family":"Uluda\u011f","sequence":"additional","affiliation":[{"name":"Istanbul University \u2013 Cerrahpasa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S\u00fcleyman","family":"Demiryas","sequence":"additional","affiliation":[{"name":"Istanbul University \u2013 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