However, the level of CD204 expression differed between both groups: The mean RFI for CD204 on AM from IPF patients was significantly higher compared to AM from HD (p=0.033; 104 ± 78 RFI versus 40 ± 31 RFI; respectively; Figure 3B and 3C). The gene discussed is MSR1; the disease is idiopathic pulmonary fibrosis.