label: Perihilar Bile Duct Cancer pT4 TNM Finding v7
label_lc: perihilar bile duct cancer pt4 tnm finding v7
description: "Perihilar bile duct cancer with tumor invading the main portal vein or its branches bilaterally; or the common hepatic artery; or the second-order biliary radicals bilaterally; or unilateral second-order biliary radicals with contralateral portal vein or hepatic artery involvement. (from AJCC 7th Ed.)"