[Transition of depression lesions in the focus of malignant transformation, with special reference to observation on development of early gastric cancer].
D000368:Aged; D001706:Biopsy; D006801:Humans; D008297:Male; D008875:Middle Aged; D013270:Stomach / Q000473:pathology*; D013274:Stomach Neoplasms / Q000473:pathology*; D013276:Stomach Ulcer / Q000473:pathology*