C	C3081	Heart Neoplasm	Cardiac Neoplasm	Cardiac Tumor|Neoplasm of Heart	A benign or malignant neoplasm that affects the heart and/or the pericardium. Representative examples include atrial myxoma, cardiac myeloid sarcoma, and pericardial malignant mesothelioma.		C3262	Neoplasm			C99147	Neonatal Research Network Terminology