Typical symptoms of lung cancer?

summary

With the aggravation of environmental pollution, air quality becomes worse and worse, which also leads to the gradual increase of lung cancer patients. Our country has also become one of the largest number of lung cancer patients. Many lung cancer patients find that they have reached advanced stage after their illness. What are the typical symptoms of lung cancer? Next, I'd like to share my views with you.

Typical symptoms of lung cancer?

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.

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.

Hoarseness is the first complaint in 5% - 18% of lung cancer patients, usually accompanied by cough. Hoarseness usually indicates direct mediastinal invasion or lymph node enlargement, involving the ipsilateral recurrent laryngeal nerve, resulting in left vocal cord paralysis. Vocal cord paralysis can also cause different degrees of upper airway obstruction.

matters needing attention

Studies abroad have shown that 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. Increasing vegetables and fruits in diet can prevent lung cancer.