Aneurysm of internal mammary artery.
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.
D000328:Adult; D000783:Aneurysm / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008323:Mammary Arteries; D013895:Thoracic Arteries