Normal Chest X Ray Explained. Up to 2nd rib first zone. 4th to 6th rib third zone.
4th to 6th rib third zone. Up to 2nd rib first zone. This is because of less density.
The chest x ray is usually divided into three zones as.
Understand the basics of how ch. Anything that appears dark or black on chest x ray is said to be lucent. 4th to 6th rib third zone. Lucency and opacity in chest x ray lucency.