Lung Cancer

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Lung cancer is the second most spread cancer among women and men after skin cancer. Statics from American Cancer Society shows that 224.210 cases of lung cancer were observed in 2014 among them 116.000 cases in men and 108.210 in women. Lung cancer causes 159.260 deaths in 2014. Older people are in higher risk, 2 out of 3 people who have lung cancer are 65 years old or older than 65. The average age of people diagnosed with lung cancer is 70. Only 2 % of lung cancer cases were in people younger than 45. For man the possibility of lung cancer development is 1 in 13 and for women is 1 in 16. This statistic includes both smokers and non-smokers. The highest risk for lung cancer development has smokers - 80-90% compared to non-smokers - 10-15% who are passive smoker. Passive smokers are people who inhale of smoke from another smoker. Passive smoking causes 3.400 deaths from lung cancer in the United States. The other quite common reason of lung cancer development in the United States is radon gas radiation that generated from radioactive radium. Annually it is leads to 21.000 deaths. It is observed that approximately 1 out of 15 houses in the US have radon level higher than recommended. Air pollution with nitrogen dioxide, sulfate aerosols and other dangerous substances cause 1-2% of lung cancer cases. Genetic inheritance related to polymorphism in chromosomes 5, 6 and 15 provokes 8% of all lung cancer cases. ( American cancer society, 2014)
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Lung cancer also called pulmonary carcinoma or carcinoma of the lung. It is characterized by abnormal cell growth in the lung tissue that caused by DNA damage and epigenetic changes. It provokes disorders in cell functioning that include apoptosis or programmed cell death, cell growth or proliferation and DNA repair. Lung cancer divided to two types. They are small cell lung cancer (SCLC) and non-small cell lung…...

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