"type I: acute free perforation"
"type II: subacute pericholecystic abscess"
"type III: chronic cholecystoenteric fistulation"
"type IV: cholecystobiliary fistula formation"
"type I: acute free perforation"
"type II: subacute pericholecystic abscess"
"type III: chronic cholecystoenteric fistulation"
"type IV: cholecystobiliary fistula formation"