[Perforated reticulosarcoma of the sigmoid with Bouvert's sign].
D012809:Colon, Sigmoid; D003110:Colonic Neoplasms; D006801:Humans; D016403:Lymphoma, Large B-Cell, Diffuse; D008228:Lymphoma, Non-Hodgkin / Q000150:complications*; D009369:Neoplasms; D012509:Sarcoma
COLON/neoplasms; SARCOMA, RETICULUM CELL/complications
Reticulosarcoma perforado de sigmoide con signo de Bouveret.