Tehran University of Medical Sciences Case Reports in Clinical Practice 2538-2683 5 2 2020 08 29 35 38 Najmeh Aletaha Department of Gastroenterology and Hepatology, Imam khomeini Hospital complex, Tehran University of Medical Sciences, Tehran, Iran. Marziyeh Ghalamkari Department of Hematology and Oncology, Imam khomeini Hospital complex, Tehran University of Medical Sciences, Tehran, Iran. Masoud Sotoudeh Digestive Oncology Research Center, Digestive Diseases Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran. Forough Alborzi Department of Gastroenterology and Hepatology, Imam khomeini Hospital complex, Tehran University of Medical Sciences, Tehran, Iran. Naser Ebrahimi Daryani Department of Gastroenterology and Hepatology, Imam khomeini Hospital complex, Tehran University of Medical Sciences, Tehran, Iran. 2019 07 07 2019 12 14 Stromal or mesenchymal neoplasms affecting the gastrointestinal tract are relatively rare lesions. A far less common group of Gastrointestinal (GI) mesenchymal tumors is leiomyoma. Surgery is the mainstay treatment for leiomyoma. Complete endoscopic resection of the tumor could be challenging due to its submucosal origin. In this study, we reported a case of a 48-year-old woman with leiomyoma of the cecum, i.e. treated by endoscopic resection. https://crcp.tums.ac.ir/index.php/crcp/article/view/279 https://crcp.tums.ac.ir/index.php/crcp/article/download/279/349