Lung Cancer

The unwanted growth of cells results in an uncontrolled division and propagation of cells that eventually forms a mass known as a tumor. And this tumor is nothing but called as cancer.

In Lung cancer these unwanted cells get produced in the lungs. The Lungs play an important role these are two spongy organs in the chest which helps take in oxygen when you inhale and release carbon dioxide when you exhale. The risk of lung cancer is generally found in people those who smoke and it increases with the length of time and the number of cigarettes smoked.


It doesn’t cause signs and symptoms occur only in advanced stages and not in its earlier stages.

Lung cancer may include below Signs and symptoms:

  • A new cough that doesn’t go away. And Losing weight without trying
  • Changes in a chronic cough or “smoker’s cough”.
  • Bone pain and Headache
  • Coughing up blood, even a small amount. And Losing weight without trying
  • Shortness of breath. And Chest pain, Wheezing, Hoarseness

Types of lung cancer

Generally Lung cancer is divided into two major types based on the appearance of lung cancer cells under the microscope. The two general types of lung cancer include:

Small cell lung cancer

Non-small cell lung cancer

Small cell lung cancer occurs almost exclusively in heavy smokers and is less common than non-small cell lung cancer. Non-small cell lung cancer is an umbrella term for several types of lung cancers that behave in a similar way. Non-small cell lung cancers include squamous cell carcinoma, adenocarcinoma and large cell carcinoma.