A: The variant NC_000021.9:g.46126082_46126087del in gene COL6A2 is classified as 'Uncertain_significance' for Myosclerosis. Variant type: Deletion. Disease database links: MONDO:MONDO:0009714,MedGen:C1850671,OMIM:255600,Orphanet:289380. Review status: criteria provided, single submitter.