In terms of age distribution, SP-B, SP-C, and ABCA3 diagnoses accounted for a large proportion of pediatric LTX recipients < 1-year-old (32.3% of that age group); whereas “ILD” and “ILD-Other Cause” labels were fairly consistent across age groups but were highest in < 1-year-olds (17.8% of that age group).17 The gene discussed is TFF2; the disease is interstitial lung disease.