We report a case of a 39-year-old woman with an upper posterior mediastinal
tumor. The tumor was demonstrated by echocardiography and further defined
by computerized tomography and magnetic resonance imaging. The tumor was fe
d by a large atrial branch of the left circumflex artery, Because of its lo
cation (adjacent to large vessels), it could not be resected by surgery, Ca
thet Cardiovasc. Intervent 47,467-468, 1999, (C) 1999 Wiley-Liss, Inc.