In addition, the level of SIRPα was positively correlated to these cancer‐related immune suppressive checkpoints, including PD‐1 (pdcd1), PD‐L1 (cd274), CTLA‐4 (ctla‐4) and TIM‐3 (havcr2) in patients with LUAD and LUSC (Figure S6c). The gene discussed is CTLA4; the disease is cancer.