title: [Collective review of 503 cases of small polypoid lesions (less than 20mm in maximum diameter) of the gallbladder: size distribution in various diseases and the depth of carcinomatous invasion].
mesh_terms: D000236:Adenoma / Q000473:pathology*; D005706:Gallbladder Neoplasms / Q000473:pathology*; D006801:Humans; D009361:Neoplasm Invasiveness; D009367:Neoplasm Staging; D011127:Polyps / Q000473:pathology*