TABLE 1. Patients character (n=196).

ECOG PS: Eastern Cooperative Oncology Group Performance Status, SqCC: squamous cell carcinoma, WBC: white blood cell, ALC: absolute lymphocyte count, ANC: absolute neutrophil count, NLR: neutrophil-to-lymphocyte ratio, FEV1: forced expiratory volume in one second, DLCO: diffusing capacity for carbon monoxide.