A tumor is defined as a swelling or lesion that is formed by abnormal cell growth. Specifically, new cells are generated in the body prior to the old cells dying which causes an extra mass of cells called a tumor. Tumors serve no useful purpose to the body and generally exist at the expense of the body’s health. Most commonly tumors are used synonymously with cancer. This in fact is false as there are three types of tumors: benign, pre malignant and malignant; and cancer, by definition, is malignant. A recent publication by MedicinePlus discusses the main differences between the three types of tumors and offers commonly overlooked risks of benign tumors.
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