{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T16:38:21Z","timestamp":1787071101274,"version":"build-2736575974"},"reference-count":9,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"2","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2018,4]]},"abstract":"<jats:p>This report describes a patient with severe mitral stenosis who underwent mitral valve replacement. After completion of cardiopulmonary bypass, an unexpected finding of a right atrial mass was noticed on transesophageal echocardiography. 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