title: The coexistence of gastric carcinoma and ulcer.
mesh_terms: D000230:Adenocarcinoma / Q000150:complications* / Q000473:pathology / Q000601:surgery; D000328:Adult; D000368:Aged; D004381:Duodenal Ulcer / Q000150:complications* / Q000473:pathology / Q000601:surgery; D005260:Female; D005745:Gastric Acidity Determination; D006801:Humans; D008297:Male; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000150:complications* / Q000473:pathology / Q000601:surgery; D013276:Stomach Ulcer / Q000150:complications* / Q000473:pathology / Q000601:surgery