HighlightsMirzzi syndrome is a rare complication of gallstone disease that involves compression on the biliary tree by a stone within the gallbladder.Rarely, in advanced disease Mirizzi syndrome may present with concurrent choleystoenteric fistula.Cholecystocolonic fistula are rare in the setting of Mirizzi syndrome.In Mirizzi syndrome with cholecystocolonic fistula, possible malignancy in the setting of severe inflammation must be considered.

HighlightsCholedocholithiasis may present as many as 33 years after a patient has undergone a cholecystectomy.Potential etiologies of choledocholithiasis after cholecystectomy include surgical clip migration, remnant cystic duct lithiasis, and primary choledocholithiasis.Choledocholithiasis is rare after a patient has undergone a cholecystectomy, but must be ruled out nevertheless.

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