PMC7787829_01
Echocardiography showing a mass in the atrium before surgery.
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Echocardiography confirmed the presence of a mass in the left atrium (Figure 1).
Atriotomy and the transseptal approach exposing the tumor.
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A rounded smooth-surfaced mass was found in the left atrium that was 3.5 x 4.5 cm in size (Figure 2).
Cardiac sarcoma after excision.
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The tumor was completely excised (Figure 3), and the excision point was strengthened with a running suture.
Histology of Myxofibrosarcoma, FNCLCC Grade 2.
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The following pathologic diagnosis was finally made: myxofibrosarcoma (Figure 4), FNCLCC Grade 2.