[Cancer in gastric ulcer; diagnostic difficulties].
D006801:Humans; D009369:Neoplasms; D010437:Peptic Ulcer / Q000150:complications*; D013274:Stomach Neoplasms; D013276:Stomach Ulcer
PEPTIC ULCER/complications; STOMACH/neoplasms
Cáncer en una úlcera gástrica; dificultades diagnósticas.