Past of history of renal cell carcinoma, had nephrectomy 3 years ago. She has had metastases to the lung and mediastinum. Recently she complained of exertional dyspnea and shortness of breath. Echo showed 2 cm mass within the right ventricular cavity adherent to the right ventricular wall and the in-ventricular septum. MRI was obtained to differentiate metastases/tumor thrombus from a bland thrombus.