SLAM was found to have negative correlations with FEV1 and FVC (r = −0.53, p = 0.035; r = −0.67, p = 0.006) and positive correlation with IL-8 concentration in BALF (r = 0.65, p = 0.006) in patients with pulmonary fibrosis (Fig. 3). This evidence concerns the gene CXCL8 and pulmonary fibrosis.