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What is cancer colon?
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- cancer colon
Colon is the longest part of the large intestine, which is a tube-like organ connected to the small intestine at one end and the anus at the other. The colon removes water and some nutrients and electrolytes from partially digested food. The remaining material, solid waste called stool, moves through the colon to the rectum and leaves the body through the anus. 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- For example, the more recent staging system is the Tumor, Node, Metastasis (TNM) system from the American Joint Committee on Cancer (AJCC), which corresponds almost exactly to the older Duke`s classification system. The TNM system defines the following stages: stage 0 is a localized tumor found only in the lining of the colon (carcinoma in situ); stage I (Duke`s A) is cancer that has grown into the inner wall of the colon; stage II (Duke`s B) is cancer that extends through the layers of the colon wall and may have invaded nearby tissue; stage III (Duke`s C) is cancer that has also spread to nearby lymph nodes; and stage IV (Duke`s D) is cancer that has spread to distant organs (metastasized), most commonly the lungs, liver, or bone. Cancers of the ascending colon (on the right side of the abdomen) tend to grow larger than in other sections of the colon before symptoms occur and may present with occult bleeding. Tissue is a group or layer of cells that work together to perform a specific function. Lymph is the clear fluid that travels through the lymphatic system and carries cells that help fight infections and other diseases. Also called lymphatic fluid. Joint is in medicine, the place where two or more bones are connected. Examples include the shoulder, elbow, knee, and jaw. Staging system is a system that is used to describe the extent of cancer in the body. Staging is usually based on the size of the tumor and whether the cancer has spread from where it started to nearby areas, lymph nodes, or other parts of the body. Staging, performing exams and tests to learn the extent of the cancer within the body, especially whether the disease has spread from the original site to other parts of the body. It is important to know the stage of the disease in order to plan the best treatment. In situ is in its original place. For example, in carcinoma in situ, abnormal cells are found only in the place where they first formed. They have not spread. Metastasis is the spread of cancer from one part of the body to another. A tumor formed by cells that have spread is called a metastatic tumor or a metastasis. The metastatic tumor contains cells that are like those in the original (primary) tumor. The plural form of metastasis is metastases (meh-TAS-tuh-SEEZ). Abdomen is the area of the body that contains the pancreas, stomach, intestines, liver, gallbladder, and other organs. Tumor is an abnormal mass of tissue that results when cells divide more than they should or do not die when they should. Tumors may be benign (not cancer), or malignant (cancer). Also called neoplasm. Carcinoma in situ is a group of abnormal cells that remain in the place where they first formed. They have not spread. These abnormal cells may become cancer and spread into nearby normal tissue. Also called stage 0 disease. IV, into or within a vein. IV usually refers to a way of giving a drug or other substance through a needle or tube inserted into a vein. Also called intravenous. Localized, restricted to the site of origin, without evidence of spread. Liver is a large organ located in the upper abdomen. The liver cleanses the blood and aids in digestion by secreting bile. Carcinoma, cancer that begins in the skin or in tissues that line or cover internal organs.
- One can deduce that, for stages I, II, and III cancer, more extensive surgery is needed to remove the part of the colon that is cancerous. This surgery is calledcolon resection. Surgery is a procedure to remove or repair a part of the body or to find out whether disease is present. An operation. Resection, surgery to remove tissue or part or all of an organ.
- One can deduce that, colorectal cancer, also called colon cancer or rectal cancer, is cancer of the large intestine or bowel. Most cases start from polyps on the lining of the intestine. Intestine is the long, tube-shaped organ in the abdomen that completes the process of digestion. The intestine has two parts, the small intestine and the large intestine. Also called bowel. Large intestine is the long, tube-like organ that is connected to the small intestine at one end and the anus at the other. The large intestine has four parts: cecum, colon, rectum, and anal canal. Partly digested food moves through the cecum into the colon, where water and some nutrients and electrolytes are removed. The remaining material, solid waste called stool, moves through the colon, is stored in the rectum, and leaves the body through the anal canal and anus. Bowel is the long, tube-shaped organ in the abdomen that completes the process of digestion. The bowel has two parts, the small bowel and the large bowel. Also called intestine. Colorectal cancer, cancer that develops in the colon (the longest part of the large intestine) and/or the rectum (the last several inches of the large intestine before the anus). Colorectal, having to do with the colon or the rectum. Colon cancer, cancer that forms in the tissues of the colon (the longest part of the large intestine). Most colon cancers are adenocarcinomas (cancers that begin in cells that make and release mucus and other fluids).
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