If you receive a COPD diagnosis but you’ve never smoked ... The radiation used for a CT scan is greater than that required for a typical X-ray. While the doses of radiation for each test are ...

A chest X-ray cannot diagnose asthma but can provide ... unlike a related condition called chronic obstructive pulmonary disease (COPD) in which airways are permanently damaged.

Not every spot detected by X rays is TB as there are many other diseases including lung cancer, interstitial lung disease (ILD), COPD, acute respiratory distress syndrome (ARDS), pneumonia ...