Cross Section of Thorax at T3-4 Disc Level Anatomy
Left recurrent laryngeal nerve, Superior vena cava, Right
phrenic nerve, Arch of azygos
vein, Right lung, Intercostal muscles, Serratus anterior muscle, Tendon of long head of biceps brachii muscle, Latissimus dorsi, Shaft of tendon humerus, Deltoid muscle, Long head of triceps
brachii muscle, Teres major muscle, Teres minor muscle, Scapula,
Esophagus T3–4 intervertebral
disc, Thoracic duct, Rhomboid muscle, Trapezius muscle, Trachea, Thymus Manubrium, Arch
of aorta, Internal thoracic
artery and vein, Left lung, Ribs, Pectoralis major muscle, Pectoralis minor muscle, Axillary fossa, Combined short head of biceps brachii and coracobrachialis muscles, Lateral head of triceps brachii muscle, Left latissimus dorsi tendon (inserting onto humerus), Subscapularis muscle, Spinal cord, Superior tracheobronchial lymph node, Left vagus nerve (CN X), Infraspinatus muscle Oblique fissure (of left lung).