[Leiomyosarcoma; three observations:  intestinomesenteric, gastric and retroperitoneal].
D000005:Abdomen; D000008:Abdominal Neoplasms; D006801:Humans; D007414:Intestinal Neoplasms; D007422:Intestines; D007890:Leiomyosarcoma; D008643:Mesentery; D009369:Neoplasms; D013274:Stomach Neoplasms
ABDOMEN/neoplasms; INTESTINES/neoplasms; LEIOMYOSARCOMA; MESENTERIES/neoplasms; STOMACH/neoplasms
Leiomiosarcoma; tres observaciones:  intestino mesenterico, estómago y retroperitoneal.