[Clinicopathological study of atypical epithelial lesions of the stomach].
D000368:Aged; D001706:Biopsy; D004848:Epithelium / Q000473:pathology; D006801:Humans; D008297:Male; D013270:Stomach / Q000473:pathology; D013274:Stomach Neoplasms / Q000473:pathology*