Thoracic wall-Superficial structures Skin Superficial fascia ◆ Mammary Q Artery -internal thoracic a. its branches Vein-thoracoepigastric veins, Lateral thoracic v ◆ Cutaneous nn ◆ Supraclavicular n Ant cutaneous branch of intercostal nn Lat cutaneous branch of intercostal nnThoracic wall-Superficial structures Skin Superficial fascia  Mammary  Artery - internal thoracic a. & its branches  Vein - thoracoepigastric veins, Lateral thoracic v.  Cutaneous nn.  Supraclavicular n.  Ant.cutaneous branch of intercostal nn. Lat.cutaneous branch of intercostal nn