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What is Cancer?

Our body is made up of numerous cells. These cells grow regularly to repair the daily wear and tear of our body. The cells also grow during wound healing. Usually this growth is systematic and controlled. When the growth of such cells gets out of control, it forms a lump. This growth of normal cells is localized and it is known as a "benign tumor"

Some times, abnormal cells are produced during cell division. These cells grow abnormally and they are not under body's control. They form a lump, which also spreads to nearby tissues. They harm the other cells and spread to other organs through blood and lymph. Such a lump is called "malignant" or cancerous lump.

Note:
A localised lump is not always benign and the lump at many places is not always malignant.

 
 
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