Atypical Location of Papillary Fibroelastoma in a Patient With Significant Oncologic History.

This report discusses the case of a 57-year-old woman with a history of breast cancer and gastric cancer, germline CDH1 gene mutation, who presented to the hospital with syncope. Diagnostic workup revealed a mass in the right ventricular outflow tract. Transcatheter biopsy suggested papillary fibroelastoma, which was confirmed with surgical pathology.