Fig. 1. Schematic drawing of the normal anatomy of the liver hilum. Calot’s triangle is defined by the cystic duct (CD), the common hepatic duct (CHD), and the cystic artery (CA) (green triangle). CBD, common bile duct; CHA, common hepatic artery; GB, gallbladder; LHA, left hepatic artery; PHA, proper hepatic artery.
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