Fig. 1

Preoperative echocardiography. a TTE showed a 50 × 35-mm solid tumour in the left atrium. b TTE showed that the tumour was adherent to the posterior annular region, obstructing the opening of the mitral valve
Preoperative echocardiography. a TTE showed a 50 × 35-mm solid tumour in the left atrium. b TTE showed that the tumour was adherent to the posterior annular region, obstructing the opening of the mitral valve