Fig. 4From: Comparison of thoracolaparoscopic esophagectomy with cervical anastomosis with McKeown esophagectomy for middle esophageal cancer Solid line (—) represents the TE group; dotted line (---) represents the ME group. a The overall survival rate was compared between two groups (log–rank test: p = 0.193). b The disease-free survival rate was compared between two groups (log–rank test: p = 0.065)Back to article page