secondary interstitial lung disease specific to childhood associated with a connective tissue disease juvenile idiopathic inflammatory myopathy polymyositis juvenile polymyositis An idiopathic inflammatory myopathy of childhood resulting in muscle weakness. EFO:1001988 GARD:0012742 ICD10:M33.2 JPM MONDO:0019734 NCIT:C114358 Orphanet:93568 SCTID:738526005 UMLS:C3826988 https://rarediseases.info.nih.gov/diseases/12742/juvenile-polymyositis juvenile PM