[Diagnostic value of ultrasound in cases of minute tumors in the gallbladder].
D000230:Adenocarcinoma / Q000175:diagnosis*; D000328:Adult; D000368:Aged; D005260:Female; D005706:Gallbladder Neoplasms / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011127:Polyps / Q000175:diagnosis*; D014463:Ultrasonography