Cardiac myxoma is unusual and mostly located in left atrium. Although it is a benign tumor of the heart, it may cause life-threatening cardiac problems like valvular obstruction, systemic or pulmonary massive embolism, infection, arrhythmia, malignance. We report a huge cardiac myxoma originated from right atrium. It was moving between right atrium and ventricle without ally symptoms. (c) 2006 Elsevier Ireland Ltd. All rights reserved.