rib notching
rib notch·ing
a smooth defect in the lower border of one or more upper ribs caused by enlarged intercostal collateral vessels, most often a sign of coarctation of the aorta.
Farlex Partner Medical Dictionary © Farlex 2012
rib notching
An abnormal indentation in the inferior margin of the ribs, seen radiographically. It is characteristically identified in people with coarcation of the aorta.
Medical Dictionary, © 2009 Farlex and Partners