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![]() ![]() CANCER Reprinted with permission from the book/program HEALTH REFERENCE DEFINITION: Term which is applied to more than 100 diseases. A common factor is that abnormal cells multiply without control. Cancer cells can spread through the bloodstream and lymphatic system to other parts of the body. Malignant tumors that replace normal tissues are an endangerment to life. These tumors are either classified as carcinomas (occur in the tissues which line or cover organ tissues) or sarcomas (occur in tissues which support and connect the body). Cancer can spread throughout the body by a process called metastases by the blood or lymph system.
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