PDCD1 and hypertensive disorder: As shown in Table 2, after matching for age, sex, smoking history, hypertension history, and pathological classification with PD‐1:PD‐L1 = 2:1, 284 patients receiving PD‐1 therapy and 142 receiving PD‐L1 therapy were selected for the matching cohort, with baseline variables becoming comparable (Table S1).