Prevention and treatment of lung cancer, people should be regular physical examination every year

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Lung cancer often develops in late stages of the disease, so only about 15% of lung cancer can be diagnosed early before cancer cells spread

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Lung cancer often develops in late stages of the disease, so only about 15% of lung cancer can be diagnosed early before cancer cells spread to adjacent lymph nodes or other sites. The 5 year survival rate of lung cancer patients without lymph node metastasis can reach to 50%. Unfortunately, many patients, even in the absence of a clear diagnosis prior to the examination, cancer cells have spread.

The average survival rate of patients with early-stage lung cancer who had been discovered before surgery and had been treated with surgery was satisfactory. However, only 15% of patients with lung cancer can be diagnosed in the early, limited. 70% to 80% of patients with lung cancer is already in the middle and late stages, lost the chance of cure, the survival rate of 5 years is very low. Therefore, the early diagnosis of lung cancer is very important.

Many of the early diagnosis lung cancer is very accidental, that is to say they are due to other diseases when the examination is found, the diagnosis may be due to other reasons such as heart disease, pneumonia and other diseases of the lung to do imaging (such as chest X-ray, chest CT), cytology bronchoscopy, cancer (microscopy sputum cells) and found.

Screening for lung cancer screening refers to a disease inspection for those who do not have symptoms related to lung cancer in the crowd, often before the appearance of symptoms that have extra pulmonary metastasis, therefore, effective screening for early diagnosis of lung cancer can save a lot of lives.

Regular X-ray and sputum cytology (for sputum exfoliated cells under the microscope) has been used in clinic for many years, a new study shows that these tests do not make the early diagnosis of lung cancer to allow the patient to have a chance to heal. Therefore, screening for lung cancer is not a routine examination for the public, even those at high risk, such as smokers.

Experts suggest that those who are still smoking or smoking history, secondhand smoke, or occupational history of patients with lung cancer risk factors should be aware of the existence of long-term. Ideally, middle aged people who are smoking, smoking history, or secondhand smoke, who have a history of occupational disease, and those with lung cancer in their family, should be alert to lung cancer. Even for those who are not 45 years of age or older, screening for lung cancer should be conducted on a regular basis.

 

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