Cancer of the stomach.
D000230:Adenocarcinoma / Q000175:diagnosis / Q000473:pathology / Q000601:surgery; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000175:diagnosis / Q000473:pathology / Q000601:surgery; D013276:Stomach Ulcer / Q000175:diagnosis