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Lung Cancer – Symptoms, causes, prevention, and treatment

Lung Cancer

Lung Cancer

Lung cancer usually begins to develop in the bronchi, so it is also called "bronchial primary cancer", which is a tumor composed of epidermoid, adenoid or undifferentiated cells. Lung cancer is a type of cancer that begins in the lung. Usually, when a patient finds lung cancer, it is already in the terminal stage and is a disease with a high mortality rate.


·         Lung cancer lacks unique symptoms. Some people have a dry cough, sore throat, and some even have no early symptoms.
·         At the end of the year, the cough is very powerful, sometimes coughing up bloody jaundice. Chest and shoulder pain, difficulty breathing and wheezing.
·         There are symptoms of anorexia, and the weight is quickly reduced in a short time.


Lung cancer and other cancers, as also by the constant the proliferation of abnormal cells, and form damaging the surrounding normal tissue.
·         Smoking: Male smokers are 10 times more likely to develop lung cancer than non-smokers; as for women, smokers are five times more likely to develop lung cancer than non-smokers. In addition, the more frequent the smoking or the longer the smoking time, the greater the risk of lung cancer.
·         Air pollution: Urban air pollution has led to an upward trend in the number of lung cancer patients. If you live or work in an environment such as asbestos, fume gas, and factory dust for a long time, iodine, nickel, chromium, and aliphatic hydrocarbons in the air are also causes of lung cancer.
·         Genetics: The family had lung cancer patients, and their relatives increased their chances of developing this disease.
·         Patients with lung disease: People with chronic respiratory diseases, such as tuberculosis, pulmonary fibrosis, bronchiectasis and chronic obstructive pulmonary disease can increase the risk of developing lung cancer.


·         Try to avoid living or working in asbestos, fume, factory dust and other environments.
·         Try to avoid smoking or exposure to secondhand smoke.
·         For smokers over the age of 40, chest X-ray and sputum examinations should be performed at least once a year.


Usually found lung cancer is nearing the end, but if the delay in treatment, the disease the situation will deteriorate quickly. To treat lung cancer, the main method is to cure the disease. If the cancer cells are not showing signs of spreading, it may be enough to cut off the lungs where the cancer cells are located (the lungs have five leaves, the left two leaves, and the right three leaves).
 But if the cancer cells are large, you need to cut off one side of the lungs. If cancer cells show signs of spread, doctors usually do not consider surgery, chemotherapy, radiation therapy, immunotherapy or mixed therapy, but the treatment effect is far less than the surgery.
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