👉 Subthoracic is a medical term used to describe a region of the thorax where the thoracic cavity extends beyond the midline. This area is typically located below the costophrenic ligament and above the midline, with the left side being further below than the right side. The subthoracal space is crucial for the proper functioning of respiratory muscles, including those in the diaphragm, intercostals, and trachea. It also plays a significant role
