title: The simultaneous coexistence of adenocarcinoma and primary malignant lymphoma in the stomach.
abstract: A case of simultaneous adenocarcinoma and primary malignant lymphoma as two independent growths of the stomach is presented. Review of the literature documented two such cases along with nine cases of the collision-tumor type. The differential criteria between this entity and collision tumor and carcinosarcoma are emphasized. Diagnosis and treatment is discussed.
mesh_terms: D000230:Adenocarcinoma / Q000150:complications* / Q000473:pathology; D000368:Aged; D006801:Humans; D008223:Lymphoma / Q000150:complications* / Q000473:pathology; D008297:Male; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D013274:Stomach Neoplasms / Q000473:pathology*