“…Reviews, monographs, textbooks, case reports, and non-English-written or non-full-text publications were rejected. Study selection criteria were as follows: (1) original articles published from 2013 to 2023, (2) primary tumor localization in the thoracic esophagus, (3) squamous cell carcinoma, (4) available characteristics of studied groups (age, sex, T, N, M, stage), (5) detailed description of curative procedures (radiation therapy, chemotherapy, surgery), (6) information about overall survival, (7) all patients received neoadjuvant therapy followed by esophagectomy.…”