Video clip is available online.A 42-year-old Asian man with an intracardiac mass found incidentally during a health check-up was referred for surgery. He had neither symptoms nor preexisting conditions. Cardiac imaging demonstrated a 3 3 3-cm well-circumscribed mass arising from posteromedial papillary muscle of the left ventricle, showing a typical feature of lipoma (Figure 1).Operation was carried out through a median sternotomy with standard hypothermic cardiopulmonary bypass. The From the Departments of a Thoracic and Cardiovascular Surgery,