Something is Wrong with the Right Side

View archive
TEEIntraOpME4CV2D
Short case presentation
46 yo WF with hx of SOB and a left lower lobe mass on CXR. The patient had an excisional biopsy of her leg, breast, and right ventricular free wall 2 years ago. The leg and right ventricular free wall tumors were sarcomas. The breast tumor was breast cancer.

What is the differential diagnosis of the cardiac lesion?
What is the most likely cause of her cardiac lesion?
What is the cause of her SOB?