<prompt> True about myxoma is -Mostly seen in left atriumCan metastasize to other sitesRarely recurs after removalMost often seen in right atrium  <response>: Cardiac myxomaso Most common primary tumor of the adult heart.o Benign neoplasms thought to arise from primitive multipotentmesenchymal cells.o Familial syndromes associated with myxomas have activating mutations in the GNAS1 gene, encoding a subunit of G protein Gsa in association with McCune-Albright syndrome or null mutations in PRKARIA, encoding a regulatory subunit of a cyclic-AMP- dependent protein kinase Carney complex.o About 90 of myxomas arise in the atria, with a left-to-right ratio of approximately 4:1. 