CDH2 and familial dilated cardiomyopathy: To identify variants in novel candidate DCM genes, we evaluated the homozygous, compound heterozygous, and de novo variants after variant filtration, and found a de novo CDH2 variant, NC_000018.9(NM_001792.5):c.474G>C, NP_001783.2:p.(Lys158Asn), in the patient.