Medial view

The subcostal (costal) groove is functionally important because a neurovascular bundle runs deep to it.  This bundle has a vein as the superior structure, then an artery, and lastly a nerve (VAN from superior to inferior).  If one were to describe its location it would be on the deep, inferior side of the rib.  Dr. J prefers subcostal as the name since it should help remind you of its location.

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