Fig. 1From: Predictors and patterns of recurrence after curative liver resection in intrahepatic cholangiocarcinoma, for application of postoperative radiotherapy: a retrospective studyHypothetical adjuvant radiotherapy fields in intrahepatic cholangiocarcinoma. Potential clinical target volume (CTV) is defined as remnant liver within 1Â cm from resection margin, perihilar, periduodenal, peripancreatic, celiac, caval, and periaortic (from 1Â cm above of celiac axis to left renal artery bifurcation) lymph node areaBack to article page