GNPTAB and intrahepatic cholangiocarcinoma: In comparison, ICC-projecting neurons were more abundant and had a wider distribution in the CN and SOC than those of ICD-projecting neurons (Figures 3E–G; Table 1, CN-ICD projecting vs. CN-ICC projecting; SOC-ICD projecting vs. SOC-ICC projecting; NLL-ICD projecting vs. NLL-ICC projecting).