Subcostal Plane

The subcostal plane (or anterior anterior plane, hypochondrium, or sternal region, as well as the anterior upper part of the chest) is the area within the left and right costal arches between them and the sternum.

The chest consists of 12 pairs of ribs, which converge to two trochanters: superior and inferior. The left one is considered the top one, the bottom one is located slightly above it. If you make a straight perpendicular