PurposeThe prognostic effect of postoperative radiotherapy (PORT) on pathological T3N0M0 (pT3N0M0) esophageal squamous cell carcinoma (ESCC) remains inconclusive. This study aimed to retrospectively i
n: number of patients.PFS: progression-free survival.LC: local control.NPFS: nodal progression-free survival.DMFS: distant metastasis-free survival.SUVmaximum: maximum standardized uptake value.AJCC: