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One of the most frequent localization of malignant neoplasms among men and women over the age of 40 years. The probability is much higher among smokers. When smoked by 2 or more packs of cigarettes per day, the likelihood of lung cancer increases by 25-125 times. Other risk factors — work on production rates, exposure. Symptoms and course. Cough, sputum excretion with admixture of blood, chest pain, repeated episodes of pneumonia and bronchitis often appear when far advanced stage of the disease. Early forms can be malosimptomnymi, vyâvlâûŝimisâ only in rentgenografičeskom. Therefore, it is a regular chest x-ray, especially after 40 years and smokers. Distinguish Central lung cancer, growing out of the bronchus (80% of cases) and peripheral (tumor of the lung tissue). Lung cancer metastasises in the lymph nodes of the root of the lung, in the later stages to distant tissues and organs (liver, nadklûčičnye lymph nodes, brain, etc.). Recognition is based on an integrated x-ray examinations (radiography, tomography), bronchoscopy with biopsy of the tumor, cytological and histological data research. Treatment depends on the type and stage of the disease. In the early stages of a possible chemotherapeutic, radiation, surgical, with the appearance of metastases is symptomatic.
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