胆石症 Traditional form: 膽石症 Pinyin (reading): dǎnshízhèng Definitions: gallstone Characters: 胆 - gallbladder; gall, guts, courage 石 - stone, rock, mineral 症 - ailment, disease, illness Traditional characters: 膽 - gallbladder; gall, guts, courage 石 - stone, rock, mineral 症 - ailment, disease, illness