{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,5]],"date-time":"2026-01-05T07:32:03Z","timestamp":1767598323727,"version":"3.44.0"},"reference-count":19,"publisher":"Oxford University Press (OUP)","issue":"9","license":[{"start":{"date-parts":[[2025,9,5]],"date-time":"2025-09-05T00:00:00Z","timestamp":1757030400000},"content-version":"vor","delay-in-days":4,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,9,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Dual primary malignancy is a rare but possible malignancy presentation. Here, we present two cases of synchronous renal cell cancer and colon cancer with simultaneous laparoscopic management. The first patient, a 65-year-old female, reported painless hematochezia, while the second, a 73-year-old female, complained of painful bloating and constipation, along with a palpable mass in the left lower quadrant of the abdomen. A computed tomography (CT) scan of both patients\u2019 abdomens revealed the expected colonic masses. However, surprisingly, the scans also showed hypervascular masses with peripheral enhancement in the kidneys, suggestive of renal cell carcinoma. No evidence of metastasis was found in either patient. A simultaneous laparoscopic sigmoidectomy combined with radical nephrectomy was successfully performed for both patients. Postoperative CT scans and sigmoidoscopy confirmed complete tumor resection with no evidence of local recurrence. The present case report may serve as a valuable reference for managing similar clinical scenarios in the future.<\/jats:p>","DOI":"10.1093\/jscr\/rjaf722","type":"journal-article","created":{"date-parts":[[2025,8,21]],"date-time":"2025-08-21T11:55:00Z","timestamp":1755777300000},"source":"Crossref","is-referenced-by-count":1,"title":["Simultaneous laparoscopic management of dual primary malignancies: case reports and literature review of synchronous renal cell carcinoma and colon carcinoma of sigmoid"],"prefix":"10.1093","volume":"2025","author":[{"given":"Settanan","family":"Plangsiri","sequence":"first","affiliation":[{"name":"Faculty of Medicine Ramathibodi Hospital, Mahidol University , Rama VI Road, Rajataewe, Bangkok 10400 ,","place":["Thailand"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pat","family":"Ngamdachakij","sequence":"additional","affiliation":[{"name":"Faculty of Medicine Ramathibodi Hospital, Mahidol University , Rama VI Road, Rajataewe, Bangkok 10400 ,","place":["Thailand"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Manisara","family":"Jirapornsuwan","sequence":"additional","affiliation":[{"name":"Faculty of Medicine Ramathibodi Hospital, Mahidol University , Rama VI Road, Rajataewe, Bangkok 10400 ,","place":["Thailand"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Panupol","family":"Thepyasuwan","sequence":"additional","affiliation":[{"name":"Faculty of Medicine Ramathibodi Hospital, Mahidol University , Rama VI Road, Rajataewe, Bangkok 10400 ,","place":["Thailand"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chanakarn","family":"Sribangpleenoi","sequence":"additional","affiliation":[{"name":"Faculty of Medicine Ramathibodi Hospital, Chakri Naruebodindra Medical Institute, Mahidol University , Suvarnabhumi Canal Road, Bang Phli, Samut Prakan 10540 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