IL17A and chronic obstructive pulmonary disease: In patients with NSCLC without COPD receiving preoperative neoadjuvant immunotherapy, the MPR subgroup showed no notable variation in the number of MAIT cells or levels of IFNγ‐R compared with the NPR subgroup, but had lower levels of PD1 IL‐17A and higher levels of GZMB (Figure 3D).