PLN and familial dilated cardiomyopathy: The average TFC score of the PLN p.Arg14del cohort was 1.75 ± 0.60 but only 3 patients (18%) were diagnosed with ACM (TFC of ≥4), 7 (41%) with DCM, and 7 (41%) were preclinical PLN p.Arg14del variant carriers.