RT Journal Article SR Electronic T1 Aneurysm of internal mammary artery. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 526 OP 527 DO 10.1136/thx.33.4.526 VO 33 IS 4 A1 Den Otter, G A1 Stam, J YR 1978 UL http://thorax.bmj.com/content/33/4/526.abstract AB A fusiform non-sclerotic aneurysm of the left internal mammary artery was found in an otherwise healthy young woman. Aneurysms such as this seem to be extremely rare since no published case could be found.