{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T14:49:12Z","timestamp":1782485352059,"version":"3.54.5"},"reference-count":21,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2020,2,17]],"date-time":"2020-02-17T00:00:00Z","timestamp":1581897600000},"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":["J Oncol Pharm Pract"],"published-print":{"date-parts":[[2020,9]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Metastasis to the gastrointestinal tract from lung cancer is very uncommon and is often asymptomatic. Although small bowel metastasis may commonly occur, metastases to the stomach and colon are uncommon.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Case report<\/jats:title>\n                    <jats:p>\n                      In this paper, we present a previously healthy 57-year-old male patient, a 60-packet per year smoker, who was taken to the emergency room with complaints of increasing abdominal pain, rectal bleeding, weight loss, and dyspnea for the last three\u2009months. Endoscopic examination revealed polypoid lesions in the duodenum and the descending colon. We diagnosed neuroendocrine small-cell lung cancer based on histopathological and immunohistochemical staining. Management and outcome: A cisplatin (d1, 60\u2009mg\/m\n                      <jats:sup>2<\/jats:sup>\n                      \/day)\u2013etoposide (d1 to d3, 120\u2009mg\/m\n                      <jats:sup>2<\/jats:sup>\n                      \/day) regimen was given every three\u2009weeks as palliative chemotherapy. After the three course of chemotherapy, the lung radiograph showed a decline in hilar expansion and there was no pleural effusion. Then, he died of acute respiratory failure two\u2009weeks after radiotherapy of brain.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion<\/jats:title>\n                    <jats:p>Gastrointestinal tract metastasis of lung cancer is recognized synchronously with or rarely before diagnosis. It is generally recognized after the diagnosis of lung cancer. These patients often have other concurrent body metastases. Prognosis is poor, and survival expectation is short. The most common metastases to the gastrointestinal tract are squamous and large cell lung cancer metastases. Our aim is to emphasize the importance of immunohistochemical examination for masses in the gastrointestinal tract and to present this rare case of synchronous duodenal and colonic metastases of small-cell lung cancer.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/1078155220904133","type":"journal-article","created":{"date-parts":[[2020,2,17]],"date-time":"2020-02-17T03:58:36Z","timestamp":1581911916000},"page":"1524-1529","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":6,"title":["Synchronous duodenum and descending colon metastasis from primary lung neuroendocrine small-cell carcinoma: A case report and review of the literature"],"prefix":"10.1177","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0598-7284","authenticated-orcid":false,"given":"Ozgur","family":"Tanriverdi","sequence":"first","affiliation":[{"name":"Department of Medical Oncology, Faculty of Medicine, Mugla Sitki Kocman University, Mugla, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8253-5046","authenticated-orcid":false,"given":"Ali","family":"Alkan","sequence":"additional","affiliation":[{"name":"Department of Medical Oncology, Faculty of Medicine, Mugla Sitki Kocman University, Mugla, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Burak","family":"Ozseker","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology, Faculty of Medicine, Mugla Sitki Kocman University, Mugla, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Havva","family":"Solak-Ozseker","sequence":"additional","affiliation":[{"name":"Department of Medical Pathology, Mugla Sitki Kocman University Education and Research Hospital, Mugla, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rabia Mihriban","family":"Kilinc","sequence":"additional","affiliation":[{"name":"Department of Radiodiagnostics, Faculty of Medicine, Mugla Sitki Kocman University, Mugla, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2020,2,17]]},"reference":[{"key":"bibr1-1078155220904133","doi-asserted-by":"publisher","DOI":"10.3322\/caac.21208"},{"key":"bibr2-1078155220904133","first-page":"29","volume":"6","author":"Gonzalez-Tallon AI","year":"2013","journal-title":"Gastroenterol 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