<prompt> Mirizzi syndrome refers to which of the following?Impacted gallstone in the terminal common bile duct causing complicationsStricture in the common hepatic ductImpacted gallstone in the cystic duct causing compression of the common bile ductDuplication of the gallbladder fundus with a septum  <response>: Mirizzis syndrome is a complication in which a gallstone becomes impacted in the cystic duct or neck of the gallbladder causing compression of the CBD, resulting in CBD obstruction and jaundice. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 2621 