Early symptoms of female lung cancer?

summary

Lung cancer is the most common primary malignant tumor of lung. Most of lung cancer originated from bronchial mucosa epithelium, so it is also called bronchial lung cancer. In the past 50 years, the incidence rate and mortality of lung cancer in all the countries of the world, especially in developed countries, have increased rapidly. Lung cancer has ranked the top among the male patients who died of cancer. More than 40 years ago, in China, the vast majority of patients who underwent surgical treatment for lung diseases were pulmonary tuberculosis, followed by bronchiectasis, lung abscess and other lung suppurative diseases, and there were few cases of lung cancer. Early symptoms of female lung cancer? I'd like to share my views with you.

Early symptoms of female lung cancer?

Phrenic nerve palsy occurs when phrenic nerve is invaded. Hoarseness is the most common symptom: the recurrent laryngeal nerve, which controls the left vocal function, goes down from the neck to the chest, bypasses the great blood vessels of the heart and goes up to the larynx, thus dominating the left side of the vocal organ.

The common sites of hematogenous metastasis of lung cancer are bone, liver, brain, kidney, adrenal gland, subcutaneous tissue and so on. Clinical symptoms and signs vary with the location of metastasis.

Chest pain is mild in the early stage of lung cancer, mainly manifested as dull pain, dull pain, uncertain location, and uncertain relationship with respiration. If the pain continues to occur, then the cancer may involve the pleura. Hoarseness occurs when lymph node metastasis oppresses or invades recurrent laryngeal nerve. Cough: lung cancer due to long in the bronchial lung tissue, usually produce respiratory tract irritation symptoms and irritative cough.

matters needing attention

Prohibition and control of smoking: the mechanism of lung cancer caused by smoking has been clearly studied. Epidemiological data and a large number of animal experiments have fully proved that smoking is the main factor of lung cancer. The discussion on the issue of banning smoking is as follows. 1. Smoking should be banned immediately. 2. The state should make strong laws to publicize that tobacco contains carcinogens which can cause lung cancer. 3. To reduce the harm of passive smoking.