Chest ct and lung ct are the same thing, in clinical medicine refers to the same examination, the two are just called differently, the front chest and back pain will generally say do chest CT. Lung ct is in the examination when the doctor focuses on observing the lung window and mediastinal window, through the two windows carefully compared to discern the lesions in the lungs; while chest ct looks at the whole chest cavity lesions, focusing on the lungs and other organs outside the lungs lesions. Anterior chest and back pain can be caused by external trauma or inaccurate posture during exercise, in addition to pleurisy, costochondritis, pneumothorax and other diseases can also cause pain, while chest CT mainly uses X-ray computerized tomography on the thorax, pleura and other tissues and organs located in the chest with or without lesions, so as to determine the cause of the disease. Patients with vague anterior chest and back pain should keep their mood relaxed and avoid emotional depression, and can generally adjust their body position to reduce the activity of the chest wall and lungs to relieve pain, as well as adjusting their diet and lifestyle habits. It is recommended that patients with vague pain in the chest and back should go to the hospital for examination in time, and according to the cause of the disease, under the guidance of the doctor to do the appropriate examination and symptomatic treatment.