Perineural invasion of hilar cholangiocarcinoma in Chinese population: One center’s experience

Figure 4 Distribution of nerve plexus around hepatic portal. A: Delineation of cutting parts; B: Transection of hepatoduodenal ligament including common hepatic duct [Hematoxylin-eosin (HE) staining, original magnification ×200]; C: Figure B without fibrous connective tissue and adipose tissue; D: Transection of the beginning part of Glisson’s sheath, including left hepatic duct (HE staining, original magnification ×200); E: Transection of the beginning part of Glisson’s sheath, including right hepatic duct (HE staining, original magnification ×200); F: Transection of furcation of right hepatic duct (HE staining, original magnification ×200). CHD: Common hepatic duct; PV: Portal vein; PHA: Proper hepatic artery; N: Nerve plexus; LHD: Left hepatic duct; LPV: Left branch of portal vein; LHA: Left hepatic artery; RHD: Right hepatic duct; RPV: Right branch of portal vein; RFID: Right front hepatic duct; RPHD: Right posterior hepatic duct.