Word parts
What it means
Describes the area just under the lower edge of the rib cage. A subcostal incision runs along the ribs, for example on the right for open gallbladder surgery. Subcostal retractions are the skin pulling in under the ribs with each breath, seen when a child works hard to breathe.
Related terms
retraction
A drawing back or pulling in of tissue; in breathing, the skin sinking in between, below or above the ribs with each breath.