Fig. 4From: Efficacy of thoracotomy and thoracoscopic-assisted esophageal surgery in conversion and salvage surgeries: a retrospective studyA The 5-year OS rates were 63.4%, 0.0%, and 25.0% for R0, R1, and R2, respectively, indicating that R0 excision was significantly better (P < 0.001). B In a separate study of R0 and R1 + R2, the 5-year OS rates were 63.4% and 14.3%, respectively, and the prognosis of R0 resection cases was significantly better (P < 0.001)Back to article page