Lung cancer is the second most common cancer in the world (after skin cancer) and cause most of the death of cancer.
Lung Cancer Lung Cancer 
It affects mostly people aged between the age of fifty and seventy.
The disease can be prevented to a large extent _ as the main factor is the threat posed by smoking _ in the past, lung cancer was always more common among men, but the gap has narrowed in recent years, much of the increased numbers of women smokers.
Also, people who spend a lot of time in an atmosphere redolent with smoke - such as people working in bars for example - are also susceptible to the risk of lung cancer due to passive smoking.
Signs and symptoms:
• chronic cough (continuous) has occasionally sputum (phlegm) Muwashshah blood.
• Shortness of breath.
• unexplained loss of weight.
• pain in the chest.
• wheezing.
• symptoms of bronchitis or pneumonia.
And some forms of lung cancer is without symptoms until the metastases completely.
Can cowers lung cancer very slowly, symptoms may take many years to show, in addition to that, there are types of lung cancer does not cause any symptoms until in the final stages. As a result, it can not be diagnosed lung cancer metastases to completely and treatment options become limited.
If your doctor suspected to be suffering from lung cancer, you will be asked a Chest x-ray - it confirms the diagnosis by abnormal shadow of the lung, as well as the doctor may ask you to send a sample of sputum to a laboratory for analysis and to check whether they contain cancer cells, or may refer you to the Department of Bronchoscopy. There, it passes a tube through the mouth into the lungs to preview the towns.
Treatment options for lung cancer:
There are three options for treatment and determine the nature of each cancer and its exacerbation:
• Surgery: You can remove the tumor by surgery only if the cancer has not spread to other organs, if there is no spread, the surgeons removed one lung as a whole or substantial part thereof.
• Chemotherapy: following surgery is usually chemotherapy, to eradicate the tumor, and this type of treatment is also used to target tumors too.
• radiation therapy: This treatment slows down tumor growth but does not eliminate it completely, which is often used to treat very small tumors - known Banakail metastases that have spread from the lungs to the brain and bone and liver, and often the initial therapy followed by radiation chemotherapy.
Long-term expectations:
Be an opportunity to recover from cancer is better for the people who discover they have the disease early, where it can be cured completely of it.
But the outlook remains weak overall, and keeps one person out of 20 are alive after 5 years of treatment, and in cases where there is an illness, succeeding only effective treatment to alleviate and improve the quality of life, but does not prolong life expectancy.
Prevention of lung cancer
That quitting smoking reduces, in principle, the risk of lung cancer.
Research has demonstrated that former smokers are at increased only slightly to the risk of developing the disease than non-smokers.
Thanks for the information. There are number of people dying due to lung cancer. The main cause of lung cancer is smoking. Males are more prone to this disease than compared to women. There are many symptoms of lung cancer like muscle weakness, skin rashes, fatigue, weight loss and a decrease in sodium levels. It is very important to know the symptoms of lung cancer and if diagnoised take proper treatment. There are many treatments available for lung cancer. For more information refer lung cancer symptoms