CAV1 and silicosis: The silicosis severity increased in the lungs of silicotic Cav‐1−/− group than the silicotic nodules score (p < 0.05) and Ashcroft score (3.53 ± 0.81 vs. 5.29 ± 0.99, p < 0.05) of silicotic WT mice (Figure 2C,D).