The irregularity in the primary building block of human body i.e, cell causes cancer in the body. Like all types of cancers, lung cancer is also responsible for the rise of death toll every year all over the sphere. In every country, at least 6 out 10 persons are affected by lung cancer. Initially lung cancer patients do not record any symptoms in their body. Once the lung cancer is detected, the doctors first find the stage of the cancer. Lung cancer is staged into 4 stages. In the first stage, it is possible to cure the disease completely from the body.
In the second stage, the cancer cells are just spread out in the adjacent cells. Doctors give different treatments in various stages. Once the patient has reached the stage 4, and then it is bit difficult to cure the lung cancer, since the cancer cells are overspread to the next organs by the blood stream. The hormonal functions of the adjacent glands are altered. Therefore, it is advised to look up a good doctor once the symptom is found in the body.

