Gastrointestinal Endoscopy 340 RADIOFREQUENCY ABLATION HAS COMPARABLE OVERALL SURVIVAL TO PHOTODYNAMIC THERAPY IN THE TREATMENT OF CHOLANGIOCARCINOMA AND AMPULLARY CARCINOMA Dao-jian Gao, Bing Hu, Xin Ye, Jun Wu, Tian-tian Wang, Ming-xing Xia, Bo Sun Gastrointestinal Endoscopy Volume 87, Issue 6, (June 2018) DOI: 10.1016/j.gie.2018.04.060 Copyright © 2018 Terms and Conditions
Figure 1. Kaplan-Meier survival curves for patients after initial treatment with endoscopic radiofrequency ablation (RFA) versus photodynamic therapy (PDT)(P=0.149 by log rank test). Gastrointestinal Endoscopy 2018 87, DOI: (10.1016/j.gie.2018.04.060) Copyright © 2018 Terms and Conditions