Thoracic wall

The thoracic wall or chest wall is the boundary of the thoracic cavity.

The bony skeletal part of the wall is the rib cage, and the rest is made up of muscle, skin and fascia.

The chest wall has 10 layers namely skin, superficial fascia, deep fascia, serratus anterior, layer for ribs(containing intercostal muscles), endothoracic fascia from superficial to deep. However, the muscular layers vary according to the region of the chestwall for example it may include muscles like pectoralis major or latisimus dorsi