dilated cardiomyopathy 1W (MONDO_0012667) is any familial isolated dilated cardiomyopathy in which the cause of the disease is a mutation in the VCL gene. Also known as: CMD1W, VCL familial isolated dilated cardiomyopathy, cardiomyopathy, dilated, type 1W, dilated cardiomyopathy type 1W, familial isolated dilated cardiomyopathy caused by mutation in VCL.