“…[4][5][6][7] The most common cause of biliary obstruction in human patients is cholelithiasis, followed by pancreatitis, pancreatitis-associated biliary strictures, pancreatic or biliary neoplasia, and CBD strictures. [2][3][4]6,8,[10][11][12][13] Traditional reported treatment for EHBDO in veterinary small animal patients involves laparotomy with surgical manipulation of the CBD and pancreatic duct via choledochotomy, diversion procedures such as cholecystoenterostomy, or surgical stent placement across the MDP. [2][3][4]6,8,[10][11][12][13] Traditional reported treatment for EHBDO in veterinary small animal patients involves laparotomy with surgical manipulation of the CBD and pancreatic duct via choledochotomy, diversion procedures such as cholecystoenterostomy, or surgical stent placement across the MDP.…”