This document discusses cardiac tumors. It begins by classifying cardiac tumors as neoplastic or non-neoplastic lesions and further classifying neoplastic lesions as benign or malignant tumors. The document then discusses the incidence, clinical manifestations, diagnostic evaluations, and approaches to different types of cardiac masses and benign tumors specifically, covering myxomas, lipomas, papillary fibroelastomas, and rhabdomyomas.