Although X-ray is not the standard for definitive diagnosis of chronic obstructive pulmonary disease (COPD), it is a simple, non-invasive method that helps guide diagnosis, stage diagnosis, and especially helps distinguish signs of the disease from other diseases.

Chronic obstructive pulmonary disease is a respiratory disease that can be diagnosed through chest X-ray. However, this diagnostic technique has many limitations and needs to be combined with other diagnostic methods such as CT scan, COPD diagnosis....