Fig. 2From: Does high-grade dysplasia/carcinoma in situ of the biliary duct margin affect the prognosis of extrahepatic cholangiocarcinoma? A meta-analysisForest plot of overall survival rates between HGD/CIS group and R0 group. a 1-year overall survival rate. b 2-year overall survival rate. c 3-year overall survival rateBack to article page