13th March 2024

A 54-year-old male with melanoma and liver metastases presents following routine cardiac imaging.

A 54-year-old male with melanoma and liver metastases presents following routine cardiac imaging. The patient describes no acute symptoms, and there are no peripheral stigmata of disease. He is afebrile and has a blood pressure of 135/70 mmHg. 

Echocardiography demonstrates a solid mass within the right atrium. Which of the following is the most likely diagnosis? 

Select the SINGLE most appropriate option from the list below. Select ONE option only.