Fig. 1
Flow chart of patient enrollment process of the study cohort. ICD-9-CM, International Classification of Diseases, Ninth Revision, Clinical Modification; NSCLC, non-small cell lung cancer
Fig. 1 | BMC Cancer
Flow chart of patient enrollment process of the study cohort. ICD-9-CM, International Classification of Diseases, Ninth Revision, Clinical Modification; NSCLC, non-small cell lung cancer