Early symptoms of lung cancer

summary

As time goes on, many elderly friends say that the middle part of the chest is intermittently uncomfortable, and they feel like they have lung cancer. What are the early symptoms of lung cancer.

Early symptoms of lung cancer

Sputum with blood or hemoptysis is also a common symptom of lung cancer, as the first symptom of about 30%. Due to the rich blood supply and brittle texture of tumor tissue, blood vessels rupture during severe cough, which may also be caused by local necrosis of tumor or vasculitis.

Cough is the most common symptom, with cough as the first symptom accounting for 35% - 75%. Cough caused by lung cancer may be related to changes in bronchial mucus secretion, obstructive pneumonia, pleural invasion, atelectasis and other chest complications.

Chest pain was the first symptom in about 25%. Often for chest irregular dull pain or dull pain. In most cases, peripheral lung cancer invades parietal pleura or chest wall, which can cause sharp and intermittent pleural pain. If it continues to develop, it will evolve into constant drilling pain.

matters needing attention

Smoking cessation can significantly reduce the incidence of lung cancer, and the earlier the time of smoking cessation, the more obvious the incidence rate of lung cancer decreases. Therefore, smoking cessation is the most effective way to prevent lung cancer. In addition, try to reduce harmful gas inhalation.