Mirizzi's syndrome is:
Mirizzi's Syndrome (Functional Hepatic Syndrome) Obstruction of the common hepatic duct or CBD by external compression or by erosion of stone in the Hamann pouch or cystic duct
GB stone compressing common hepatic duct
GB carcinoma invading IVC
GB stone causing cholecystitis
Pancreatic carcinoma
Gallbladder