Radiology General 23c6ccd1 True about features of cholecystitis on USG : A Thick fibrosed gallbladder wall B Stone impacted at neck of gall bladder C Perigallbladder halo D All High-Yield Explanation A i.e. Thick fibrosed gall bladdar wall; B i.e. Stone impacted at neck of gall bladder; C i.e. Perigall bladdar halo