1. Upon inquiry, a doctor in official website showed: Lung: Chest X-ray can show the shape, structure and volume of lung, which is helpful for the discovery and evaluation of lung diseases, such as pneumonia, tuberculosis, tumor and chronic obstructive pulmonary disease. At the same time, we can also observe the density, texture and transparency of the lung leaves on the chest radiograph.

2. Heart: Chest X-ray can provide information about the heart, such as the shape, size and location of the heart, which is helpful to evaluate heart diseases, such as myocardial ischemia, pericardial effusion and heart enlargement.

3. Thoracic and skeleton: Chest X-ray can show the structure and skeleton of the thorax, which is helpful to find rib fracture, thoracic vertebra deformity and sternum deformity. In addition, the chest radiograph can also evaluate the abnormality of chest radiograph, ribs and chest wall.