In medical imaging, CT of the chest and CT of the lungs are both chest CT tests, and there is no such thing as which one is better. The chest includes the chest cavity, mediastinum, both lungs, trachea, main bronchus, heart, large blood vessels, and tissues such as lymph nodes in the chest. Although the lungs are part of the chest, there is no separate CT of the lungs in the imaging department, and CT of the chest means that it can reflect chest wall, heart, mediastinal lesions, as well as lung lesions. Chest CT has a high degree of recognition of chest diseases. If you have chest pain, shortness of breath, chest tightness, or suspect bronchodilatation, tuberculosis, or lung tumors, you should complete a chest CT under the guidance of your doctor.