Fig. 1From: Role of surgery in T4N0-3M0 esophageal cancerSurvival curves of OS for stage T4N0-3M0 EC comparing surgery with no surgery before PSM (A) and after PSM (B), stage T4aN0-3M0 EC comparing surgery with no surgery before PSM (C) and after PSM (D), stage T4bN0-3M0 EC comparing surgery with no surgery before PSM (E) and after PSM (F). OS, overall survival; EC, esophageal cancer; PSM, propensity score matchingBack to article page