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(a–c) The exploration revealed a 13 × 6 cm tumor originating from the pericardium and infiltrating the left ventricle wall. (d) The pericardial ventricle defect was sutured over; a pericardial patch (preclude pericardial membrane PCM Gore) was sutured into the pericardial defect continuously. In the distal part, a 15 × 15 mm gap was left as a pericardial window because of the preexisting pericardial effusion.
