Anatomy All are criteria of non-resectability in patients with hilar cholangiocarcinoma except A Hepatic duct involvement upto secondary radicals bilaterally B Encasement or occlusion of main poal vein proximal to its bifurcation C Atrophy of one lobe with encasement of contralateral poal vein branch D Atrophy of one lobe with ipsilateral involvement of secondary biliary radicals π‘ Explanation All are criteria of non-resectability in patients with hilar cholangiocarcinoma except β Correct Answer: D. Atrophy of one lobe with ipsilateral involvement of secondary biliary radicals