IFIH1 and interstitial lung disease: Anti–melanoma differentiation associated gene 5 (MDA 5) dermatomyositis (DM) is a recently described subtype of DM, which is usually clinically amyopathic and presents with unique mucocutaneous signs and may complicate with rapidly progressive interstitial lung disease (RP‐ILD) in as many as 69% of cases [1].