[Case of early reticulum cell sarcoma of the stomach--study on its relation to ulcer].
D005743:Gastrectomy; D006801:Humans; D008228:Lymphoma, Non-Hodgkin / Q000150:complications*; D008297:Male; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000150:complications* / Q000473:pathology; D013276:Stomach Ulcer / Q000150:complications*