PIK3CA and arrhythmogenic right ventricular cardiomyopathy: In the KEGG pathway classification, the genes in modules are significantly enriched in focal adhesion, ECM-receptor interaction, PI3K-Akt signaling pathway, regulation of actin cytoskeleton, mineral absorption, small cell lung cancer, arrhythmogenic right ventricular cardiomyopathy (ARVC), proteoglycans in cancer, hypertrophic cardiomyopathy (HCM), dilated cardiomyopathy.