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Tumor cells, also known as cancer cells, are abnormal cells that have undergone genetic mutations and changes that lead to uncontrolled growth and division. Unlike normal cells in the body, tumor cells do not respond to the usual signals that regulate cell growth and death. This uncontrolled growth can result in the formation of a lump or mass called a tumor. These are non-cancerous growths that do not invade nearby tissues or spread to other parts of the body. They tend to grow slowly and are usually not life-threatening. However, they can cause problems if they press on surrounding structures or organs. These are cancerous tumors that can invade nearby tissues and spread to other parts of the body through a process called metastasis. Malignant tumors are typically more aggressive and can be life-threatening if not treated.
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