Chest X-ray is a modern diagnostic imaging technique to examine and evaluate the entire internal structure of the lungs, helping to detect lung damage and disease. Chest X-ray includes upright chest X-ray and oblique chest X-ray.

Chest X-ray is one of the paraclinical methods used to diagnose most diseases today. There are many positions for taking chest X-rays depending on the purpose of taking X-rays in different pathological cases, however, upright chest X-ray is the most common position for taking chest X-rays and is indicated in most common diseases.

“White lung" or "white chest X-ray" is a phenomenon observed in chest X-rays of certain patients with respiratory disorders, particularly in the lungs. This condition, also known as white lung disease, impacts the patient’s health and requires timely detection and treatment.