Best screening method for Mirizzi syndrome is:
Mirizzi syndrome: Suspected cases should be examined with ultrasonography or CT for anatomical evaluation to avoid biliary injury or postoperative biliary leakage related to undetected fistula formation. ERCP has been recommended as the best screening method. Ref: Turk J Gastroenterol 2008; 19 (4): 258-263.
USG abdomen
CECT abdomen
Plain X-Ray abdomen
ERCP