The breakdown of ILA patterns was as follows: UIP 10 (18.9%)/NSIP 0 (0.0%)/PPFE pattern 14 (26.4%)/combined pulmonary fibrosis and emphysema 17 (32.1%)/unclassifiable 12 (22.6%). The gene discussed is TNFRSF9; the disease is idiopathic pulmonary fibrosis.