While myeloperoxidase (MPO) Abs are seen in idiopathic pulmonary fibrosis (IPF), only 7–23% develop vasculitis. Study of 58 pts w/ IPF & MPO Abs - UIP most frequent ILD pattern, 13 had rheumatic dz; MPO Abs did not change survival of UIP/IPF pts https://t.co/RXXIPUBMBT https://t.co/v3KhEaefZD