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What is cancer WHO?
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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- One can determine, some brain tumors tend to present symptoms early in the disease as they affect important cognitive functions. Pancreas cancers are usually too small to cause symptoms until they cause pain by pushing against nearby nerves or interfere with liver function to cause a yellowing of the skin and eyes called jaundice. Symptoms also can be created as a tumor grows and pushes against organs and blood vessels. Blood is a tissue with red blood cells, white blood cells, platelets, and other substances suspended in fluid called plasma. Blood takes oxygen and nutrients to the tissues, and carries away wastes. Pancreas is a glandular organ located in the abdomen. It makes pancreatic juices, which contain enzymes that aid in digestion, and it produces several hormones, including insulin. The pancreas is surrounded by the stomach, intestines, and other organs. Jaundice is a condition in which the skin and the whites of the eyes become yellow, urine darkens, and the color of stool becomes lighter than normal. Jaundice occurs when the liver is not working properly or when a bile duct is blocked. Liver is a large organ located in the upper abdomen. The liver cleanses the blood and aids in digestion by secreting bile.
- It has been discovered that, cancer can be the result of a genetic predisposition that is inherited from family members. Genetic predisposition is an inherited increase in the risk of developing a disease. Also called genetic susceptibility. Inherited, transmitted through genes that have been passed from parents to their offspring (children). Genetic, inherited; having to do with information that is passed from parents to offspring through genes in sperm and egg cells.
- One can determine, a Stage IV cancer should only be treated with the most potent of the alternative cancer treatments. These patients are in a very dangerous situation and time is critical, thus their treatment should be among the strongest. 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.
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