Algorithm for the selection of treatment for intrahepatic cholangiocarcinoma at Toranomon Hospital. *, possibility of complete ablation should be determined according to the local expertise and equipment; **, RFA can be used as a second choice for tumors up to 3 cm in diameter. RFA, radiofrequency ablation; TACE, transarterial chemoembolization; DEB-TACE, transarterial chemoembolization with drug-eluting beads; BSC, best supportive care.