Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 44 3 2006 06 15 217 218 R. Omranipour M. R. Farahm A. Arab-Kheradm 2015 09 28 Retained foreign body in the abdominal cavity following surgery is a continuing problem. We report a case of an 18 year old man who was referred with abdominal pain and cecal mass. Clinical exam, computed tomography scan and colonoscopy were suggestive of cecal tumor. Laparotomy confirmed a retained surgical sponge which had migrated from peritoneal cavity into cecum. https://acta.tums.ac.ir/index.php/acta/article/view/3185