MyxomaHeart NeoplasmsMyxoma virusPigmentation DisordersCyclic AMP-Dependent Protein Kinase RIalpha SubunitHeart AtriaMyxosarcomaCarney ComplexGerstmann SyndromeAdrenal Cortex DiseasesCardiac Surgical ProceduresMyxomatosis, InfectiousNeoplasms, Multiple PrimaryEchocardiography, TransesophagealSyndromeMyocytes, CardiacNeoplasm Recurrence, LocalCardiac OutputPoxviridae Infections