CI	Confidence Interval
CP	Carboplatin/Paclitaxel
CRT	Chemoradiotherapy
ECOG	Eastern Cooperative Oncology Group
EP	Cisplatin/Etoposide
HR	Hazard Ratio
NLR	Neutrophil-to-Lymphocyte Ratio
NSCLC	Non-Small Cell Lung Cancer
OS	Overall Survival
PFS	Progression-Free Survival
PLR	Platelet-to-Lymphocyte Ratio
PNI	Prognostic Nutritional Index
SII	Systemic Immune-Inflammation Index
TNM	Tumor, Node, Metastasis