Duodenal ulcer and gastric cancer.
D004381:Duodenal Ulcer; D005743:Gastrectomy / Q000150:complications*; D006801:Humans; D010437:Peptic Ulcer / Q000150:complications*; D013274:Stomach Neoplasms / Q000150:complications*
GASTRECTOMY/complications; PEPTIC ULCER/complications; STOMACH NEOPLASMS/complications