Lymphosarcoma of the stomach.
D003937:Diagnosis, Differential; D006689:Hodgkin Disease / Q000000981:diagnostic imaging; D006801:Humans; D008228:Lymphoma, Non-Hodgkin / Q000150:complications / Q000000981:diagnostic imaging*; D011127:Polyps / Q000000981:diagnostic imaging; D011859:Radiography; D013274:Stomach Neoplasms / Q000150:complications / Q000000981:diagnostic imaging*; D013276:Stomach Ulcer / Q000000981:diagnostic imaging / Q000209:etiology