title: [Precancerous gastropathies and gastric tumors. General introductory remarks].
mesh_terms: D000349:Africa; D002677:Chile; D005060:Europe; D005756:Gastritis; D006801:Humans; D007564:Japan; D009656:North America; D011127:Polyps; D011230:Precancerous Conditions; D013274:Stomach Neoplasms / Q000453:epidemiology; D013276:Stomach Ulcer; D006113:United Kingdom
vernacular_title: Gastropatie precancerose e tumori gastrici. Premesse generali