How is the position of left thorax upper aching to return a responsibility

Left upper chest pain is considered to be related to coronary heart disease, angina pectoris and other heart diseases, and may also be related to emphysema, lung tumor and other lung diseases. Costal cartilage inflammation, intercostal neuralgia, etc. may also lead to left upper chest pain. It is suggested to go to hospital to perfect relevant examination, make clear diagnosis and symptomatic treatment.