Risk Stratification for CA in IIM Low risk: - no clin RF + at least 1 protective factor - autoAb (Jo1, Mi2, MDA5,SRP,RNP/SSA/SSB) Intmdt risk: - 1-2 clin RF - auto Ab (SAE1, HMGCR) - PM/INMN no Ab Hi riks: - >2 clin RF - h/o CA - autoAb (TIF1g, NXP2) #ACR21 #ACRAmbassador https://t.co/nTBSDcS1v4