Fig. 3

Survival curves of OS for stage T4N0-3M0 EC for Neo + surgery vs. no surgery before PSM (A) and after PSM (B), surgery without Neo vs. no surgery before PSM (C) and after PSM (D), Neo + surgery vs. surgery without Neo before PSM (E) and after PSM (F). OS, overall survival; EC, esophageal cancer; Neo, neoadjuvant therapy; PSM, propensity score matching