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What is cancer activate?
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- cancer
Cancer is a term for diseases in which abnormal cells divide without control and can invade nearby tissues. Cancer cells can also spread to other parts of the body through the blood and lymph systems. There are several main types of cancer. Carcinoma is a cancer that begins in the skin or in tissues that line or cover internal organs. Sarcoma is a cancer that begins in bone, cartilage, fat, muscle, blood vessels, or other connective or supportive tissue. Leukemia is a cancer that starts in blood-forming tissue such as the bone marrow, and causes large numbers of abnormal blood cells to be produced and enter the blood. Lymphoma and multiple myeloma are cancers that begin in the cells of the immune system. Central nervous system cancers are cancers that begin in the tissues of the brain and spinal cord. Also called malignancy.
Preview- It appears that, into two main categories Small cell lung cancer (SCLC) - the rarer of the two types (about 20% of all lung cancers), small cell lung cancer is more aggressive than non small cell lung cancer because is grows quicker and is more likely to spread to other organs Non small cell lung cancer (NSCLC) - the more common of the two types (80% of all lung cancers), non small cell lung cancer is generally slower growing than small cell lung cancer and is divided into three different types based on how the cells look. Lung cancer, cancer that forms in tissues of the lung, usually in the cells lining air passages. The two main types are small cell lung cancer and non-small cell lung cancer. These types are diagnosed based on how the cells look under a microscope. Aggressive is in medicine, describes a tumor or disease that forms, grows, or spreads quickly. It may also describe treatment that is more severe or intense than usual. Cell is the individual unit that makes up the tissues of the body. All living things are made up of one or more cells. Small cell lung cancer is an aggressive (fast-growing) cancer that forms in tissues of the lung and can spread to other parts of the body. The cancer cells look small and oval-shaped when looked at under a microscope. Lung, one of a pair of organs in the chest that supplies the body with oxygen, and removes carbon dioxide from the body.
- It would seem to be apparant that, radiation therapy uses high energy rays (similar to x-rays) to kill cancer cells. Radiation therapy is another option besides surgery for early stage prostate cancer; and when advanced stage prostate cancer needs to be treated, it is usually done with radiation therapy. Radiation helps avoid surgery in patients who are too ill to risk having anaesthesia. Radiation, energy released in the form of particle or electromagnetic waves. Common sources of radiation include radon gas, cosmic rays from outer space, medical x-rays, and energy given off by a radioisotope (unstable form of a chemical element that releases radiation as it breaks down and becomes more stable). Stage is the extent of a cancer in the body. Staging is usually based on the size of the tumor, whether lymph nodes contain cancer, and whether the cancer has spread from the original site to other parts of the body. Surgery is a procedure to remove or repair a part of the body or to find out whether disease is present. An operation. Prostate is a gland in the male reproductive system. The prostate surrounds the part of the urethra (the tube that empties the bladder) just below the bladder, and produces a fluid that forms part of the semen. Prostate cancer, cancer that forms in tissues of the prostate (a gland in the male reproductive system found below the bladder and in front of the rectum). Prostate cancer usually occurs in older men. Radiation therapy is the use of high-energy radiation from x-rays, gamma rays, neutrons, protons, and other sources to kill cancer cells and shrink tumors. Radiation may come from a machine outside the body (external-beam radiation therapy), or it may come from radioactive material placed in the body near cancer cells (internal radiation therapy). Systemic radiation therapy uses a radioactive substance, such as a radiolabeled monoclonal antibody, that travels in the blood to tissues throughout the body. Also called irradiation and radiotherapy. Therapy, treatment.
- It would appear that, any of the tissues in the lung can become cancer; but most commonly, lung cancer comes from the lining of the bronchi. Lung cancer is not really thought of as a single disease, but rather a collection of several diseases that are characterized by the cell type that makes them up, how they behave, and how they are treated. Bronchi is the large air passages that lead from the trachea (windpipe) to the lungs. Cell type, describes the kinds of cells found in normal or cancer tissue. The cell type is usually identified by looking under a microscope. Some examples of cell types are lymphocytes, melanocytes, and squamous cells. In cancer, it is important to know the cell type in order to diagnose the cancer, plan treatment, and determine prognosis.
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