PA Chest, Heart

l- aortic arch
2- descending aorta
3- L pulmonary artery
4- R pulmonary artery
5- SVC
6- IVC
7 -right atrium
8- left ventricle
9- left atrium
l0- right ventricle

Lateral Chest, Heart

l - SVC
2- aortic arch
3- R pulmonary
4- L pulmonary
5- left atrium
6- right ventricle
7- right atrium
8- left ventricle
9- IVC

PA Chest, Lungs

1- trachea
2- carina
3- R main bronchus
4- L main bronchus
5- L costophrenic angle
6- right upper lobe
7- minor fissure
8- right middle lobe
9- right lower lobe
l0- left upper lobe
l l- left lower lobe


Note: there is significant overlap of lung lobes in the frontal projection.

Lateral Chest, Lungs

1- trachea
2-left and right upper lobes
3-minor fissure
4-right middle lobe
5-major fissure
6-left and right upper lobes
7-L main bronchus

PA Chest, Chest wall

l- breast tissue
2- L clavicle
3- R hemidiaphragm
4- R posterior 6th rib
5- R scapula
6- sternum
7- T2 (thoracic spine)
8- T1 2

Lateral Chest, Chest wall

l- anterior ribs
2- posterior ribs
3- sternum
4- breast
5- R hemidiaphragm
6- L hemidiaphragm
7- T4 (thoracic spina)
8 - T12