Retrospective review of 265 ILD pts - 9.8% were ANCA positive (PR3, MPO). ANCA- oft called IPF. ANCA+ CTD-ILD and 65% evolved into AAV (29% AAV follwed ILD Dx). No lung diff betw Pos v Neg pts, but ANCA+ had more drugs, hosp. #ACR22 https://t.co/X6UfiawfmW https://t.co/BZpTsjYAFW