Incidental Transesophageal Echocardiographic Findings of a Mass on the Aortic Valve

adult; aorta valve disease; article; case report; diagnostic imaging; differential diagnosis; fibroelastoma; heart tumor; heart valve; heart valve surgery; human; incidental finding; male; mitral valve; mitral valve prolapse; mitral valve regurgitation; papillary fibroelastoma; peroperative echography; priority journal; transesophageal echocardiography