Similarly, we found nine additional gene candidates (ITM2C, CRABP2, PRTFDC1, FAM83D, NMNAT2, MYOF, P4HA3, CDH3, and CPNE7) highly capable of distinguishing advanced IPF samples from the healthy controls (Table 2 and File S5). Here, SACK1D is linked to idiopathic pulmonary fibrosis.