
Keywords: کارسینوم ریه سلول غیرکوچک; COPD, chronic obstructive pulmonary disease; NSCLC, non-small cell lung cancer; SBRT, stereotactic body radiotherapy; FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; GTV, gross tumour volume; PTV, planning target volume; CCI, Charl