Cross-SectionalAnatomy
3
Plate240
CrossSectionofThoraxatT4-5DiscLevel
Ascending aorta
Right pulmonary artery
Superior vena cava
Pectoralis major muscle
Right lung
Intercostal muscles
Axillary fossa
Tendon of long
head of biceps
brachii muscle
Coracobrachialis
muscle
Deltoid
muscle
Lateral
head of
triceps
brachii
muscle
Long head of triceps
brachii muscle
Scapula
Rhomboid major muscle
Right main bronchus
Azygos vein
Esophagus
T4–5 intervertebral disc
Manubriosternal junction
Internal thoracic artery and vein
2nd costal cartilage
Pulmonary trunk
Left pulmonary artery
Left lung
Pectoralis minor muscle
Ribs
Long head
of biceps
brachii muscle
Latissimus
dorsi
tendon
Shaft of
humerus
Teres major
muscle
Serratus anterior
muscle
Subscapularis muscle
Left main bronchus
Descending aorta
Accessory hemi-azygos vein
Trapezius muscle
Thoracic duct
Inferior tracheobronchial lymph nodes
Infraspinatus muscle
