MONDO_0021378 (neoplasm of endocardium) is a neoplasm (disease) that involves the endocardium. Also known as: endocardial neoplasm, endocardial tumor, endocardial tumour, endocardium neoplasm, endocardium neoplasm (disease), endocardium tumor, endocardium tumour, neoplasm of the endocardium.