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Lung Cancer

Lung cancer forms in the tissues of the lung usually in the cells lining air passages. 


There are usually no signs or symptoms in the early stages of lung cancer. People with the condition will eventually develop –

  • A persistent cough
  • Coughing up blood
  • Persistent breathlessness
  • Unexplained tiredness and weight loss
  • An ache or pain breathing or coughing


Most cases of lung cancer are caused by smoking although people who have never smoked can also develop the condition.

Smoking cigarettes is the single biggest risk factor at 90% of all cases of lung cancer. Using other types of tobacco products can also increase your risk of developing lung cancer and other types of cancer. These products include:

  • Cigars
  • Pipe Tobacco
  • Chewing Tobacco
  • Bidis
  • Passive Smoking:

Even if you do not smoke constant exposure to other people’s tobacco smoke can increase your risk of developing lung cancer. 


  • Surgery
  • Chemotherapy
  • Radiotherapy


  • Not smoking is the most effective way to avoid getting lung cancer.
  • Stop Smoking –
  • If you smoke the best way to prevent lung cancer and other serious conditions is to stop smoking as soon as possible.
  • After 10 years of not smoking your chances of developing lung cancer falls to half that of some who smokes.

Quitting smoking reduces the risk of cancer and other diseases, such as heart disease and COPD, caused by smoking.

People who quit smoking, regardless of their age, are less likely than those who continue to smoke to die from smoking-related illness:

  • Quitting at age 30: Studies have shown that smokers who quit at about age 30 reduce their chance of dying prematurely from smoking-related diseases by more than 90 percent.
  • Quitting at age 50: People who quit at about age 50 reduce their risk of dying prematurely by 50 percent compared with those who continue to smoke.
  • Quitting at age 60: Even people who quit at about age 60 or older live longer than those who continue to smoke.