Leiomyosarcoma of Meckel's diverticulum.
D005500:Follow-Up Studies; D006471:Gastrointestinal Hemorrhage / Q000150:complications; D006801:Humans; D066298:In Vitro Techniques; D007890:Leiomyosarcoma / Q000175:diagnosis* / Q000473:pathology*; D008297:Male; D008467:Meckel Diverticulum / Q000473:pathology*; D008875:Middle Aged