The<unk> , also known as the superior thoracic aperture, refers to the opening at the top of the thoracic cavity. It is also clinically referred to as the thoracic outlet, in the case of thoracic outlet syndrome; this refers to the superior thoracic aperture, and not to the lower, larger opening, the inferior thoracic aperture.
Thoracic inlet
Subclavian loop
Subclavian triangle
Thoracic diaphragm
Cervical rib
Boracic lint
Posterior triangle of the neck
Anterior triangle of the neck