The gastric ulcer problem:  prognosis in masked malignancy.
D006801:Humans; D009369:Neoplasms; D010437:Peptic Ulcer / Q000150:complications*; D011379:Prognosis; D013274:Stomach Neoplasms / Q000209:etiology*; D013276:Stomach Ulcer
PEPTIC ULCER/complications; STOMACH NEOPLASMS/etiology and pathogenesis