What are the 4 early symptoms of lung cancer that indicate the onset of lung cancer?

Many people are familiar with lung cancer, but they are not clear about the specific symptoms. Some patients did not seek medical treatment in time because they did not understand the early symptoms of lung cancer in time. Later, the disease gradually turned into an advanced stage and they began to regret it. Experts said: Knowing the early symptoms of lung cancer is very helpful for preventing lung cancer and controlling the disease.

Specific manifestations of common early symptoms of lung cancer:

1. Cough. Lung cancer grows on bronchial lung tissue, which usually causes respiratory irritation and irritating cough.

2. When a low-fever tumor blocks the bronchus, obstructive pneumonia often occurs with varying degrees. Mild cases have only low fever, while severe cases have high fever. The condition may temporarily improve after taking medication, but will soon relapse.

3. Chest pain. In the early stage of lung cancer, chest pain is mild, mainly manifested as dull pain, dull pain, and the location is not certain, and the relationship with breathing is also uncertain. If the pain persists, it means that the cancer may involve the pleura.

4. Blood in sputum. When tumor inflammation causes necrosis and capillary damage, there will be a small amount of bleeding, which is often mixed with sputum and appears intermittently or intermittently. Many lung cancer patients seek medical treatment because of blood in sputum.