Prospective cohort study of 41 Stills Dz pts w/ ILD – 85% had 1+MAS & 41% with adverse reactions to a biologic. 93% were alive w/ median F/U 3 years, but 37% progressed to chronic lung dz (O2, or vent) & 84% were HLA-DRB1*15 https://t.co/fo44fgKh8m https://t.co/xa9g4Slr1H