1. Symptomatic lipomas of the gastrointestinal tract;Ackerman;Surg Gynecol Obstet,1975
2. Lipoma of the colon: self amputation;Radhi;Am J Gastroenterol,1993
3. Spontaneous expulsion of lipoma per rectum occurring with colonic intussusception;Zamboni;Surgery,1997
4. Spontaneous elimination of a lipoma from the sigmoid flexure;Manheim;JAMA,1942
5. Spontaneous expulsion of submucous lipoma of cecum;Backenstoe;Pennsylvania Med J,1940