Normal Values

Chest

PA

Normal	Else
Highest level of dome od diaphragm > 1.5 cm above line b/n costophrenic & vertebrophrenic junctions	Empysema
Paratracheal stripe < 10 mm	CHF, lymphoma, bronchogenic cyst
Main PA < 3 cm	Indicative of PA hypertension

Cavity wall:
< 5 mm → infection
> 10 mm → SCC

Vertebral body height decreased > 20% = compression #
If anterior → wedge #
If posterior → crush #
If middle → biconcave #
If adjacent endplate sclerosis → acute #
burst #
Chance #