All of the types of cancer begin developing in our cells, which are the body's primary unit of life. To comprehend cancer, it is helpful to know how our normal cells become cancerous. The body is made up of many types of cells. Normally, cells grow, divide, and produce more cells as they are needed to keep the body healthy and functioning properly. Sometimes, however, the process goes wrong. The cells keep dividing when the new cells are not needed. The extra

Lung cancer is divided into two major types, Non-Small Cell Lung Cancer and Small Cell Lung Cancer. The types of lung cancers grow and spread in different ways and are treated very differently. Non-Small cell lung cancer is more common than Small-Cell lung cancer, and it usually grows and spreads more slowly. There are three main types of Non-Small Cell lung cancer. They are named for the type of cells where the cancer develops: squamous cell carcinoma, adenocarcinoma, and large cell carcinoma.

Radiation therapy involves the use of high-energy rays to kill cancer cells. Radiation therapy is directed to a limited area and affects the cancer cells only in that area. Radiation therapy may be used before surgery to shrink a tumor, or after surgery to destroy any cancer cells that remain in the treated area. Radiation therapy may also be used to relieve symptoms such as shortness of breath. Treating Nonsmall Cell Lung Cancer

A person who has had lung cancer before, is more likely to develop a second lung cancer compared with a person who has never had lung cancer before. Quitting smoking after lung cancer is diagnosed could prevent the development of a second lung cancer.

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