Abstract

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• We report a case of an 82-year-old man with renal cell carcinoma who developed a cardiac metastasis within the interventricular septum. He had been under watchful waiting for indolent metastatic renal cell carcinoma for many years before developing symptoms consistent with heart failure. At this time, a 44 mm interventricular septal mass, consistent with a cardiac metastasis, was identified as the cause of his symptoms. Pazopanib was initiated which led to both a clinical and radiological response.