Research Article
Correlation between the Treg/Thl7 Index and the Efficacy of PD-1 Monoclonal Antibody in Patients with Advanced Non-Small-Cell Lung Cancer Complicated with Chronic Obstructive Pulmonary Disease
Figure 6
Comparison of FEV1%/FVC, FEV1%, and FVC before and after chemotherapy. ( indicates a substantial difference vs. before radiotherapy, ).