CCL8 gene was reported to overexpress in 26 IPF lungs compared with 11 normal lungs (p = 0.099) in the GDS1252 dataset, as well as in 6 sarcoidosis lung compared with 6 normal lungs (p = 0.016) in the GDS3580 dataset of NCBI GEO DataSet Browser (https://www.ncbi.nlm.nih.gov/geo/). Here, CCL8 is linked to idiopathic pulmonary fibrosis.