Question 7: 50ish year old male with increasing chest and abdominal discomfort. What is the most likely diagnosis in this case?

Diagnosis: Renal Cell Carcinoma Invades the Renal Veins and IVC

Differential Dx: Right Atrial Mass

• Intracardiac thrombosis
• Atrial myxoma (15% of myxomas)
• Metastases including direct tumor extension (renal,adrenal and hepatoma)
• lymphoma

Metastatic Chondrosarcoma to the Pulmonary Veins Extending into the Left Atrium