“…To our knowledge, this is only the second reported case of bilateral atrial metastasis from RCC, and the first case to undergo surgical resection reported in the literature [8] , [9] , [11] . Biatrial metastasis has been described for other metastatic tumors such as uterine melanoma and cutaneous squamous cell carcinoma; however, these cases did not undergo resection due to poor performance statuses, making this case report the first to describe the surgical resection of biatrial metastatic cardiac tumors across all primary malignancies [12] , [13] .…”