Solitary Cardiac Metastasis from Colorectal Cancer: A Case Report

A 73-year-old woman with silent cardiac metastasis underwent high anterior resection for rectal cancer 3 years ago. Follow-up computed tomography showed a tumor in the right atrium. Partial vascular resection of the superior vena cava and right atrium was performed. Early postoperative recurrence occurred, and chemotherapy was unsuccessful. The patient died 7 months after surgery.