Colon Cancer

Monday, November 16, 2009

Our body is a complex system. It consists of many parts of the body that supporting to each other. To support our life, the body has several important systems such as blood system and also digestive system. Blood system is the circulation of blood stream to the whole body to carry nutritious food and also oxygen.

 The blood also used to waste and unimportant materials from the body such as poison and many other. The digestive system is a system that processes food into nutritious element for our body. The digestive system is started on the mouth. The teeth crush the food into small chunks. The mouth also mixes the food with saliva that can help the digesting process. The saliva is needed in the process of swallowing the food. Moreover, the saliva contains enzymes that are important in turning the food into nutritious materials. After the food is swallowed, it comes to the colon.
The colon is the part of the digestive system that has duty to absorb the nutritious materials. It has many tiny blood vessels that can absorb the nutritious materials and then deliver it to the whole body. Colon is also place where the waste is stored. On the end of the colon, there is a rectum. Rectum is the end of the colon and adjacent to the anus. Colon and rectum form long muscular tube called the large intestine or the large bowel. This is the dirtiest part of the body because all solid wastes are stored here. Since it is the dirtiest place, there are many caches that diseases occur in this place. The most common disease in this place is cancer or tumor. Colon cancer or tumors of the colon and rectum are growth arising from the inner wall of the large intestine. When the tumor is not dangerous, it is called polyps. When the polyps become dangerous and out of control, It is called cancer. The differences between those two tumors are the benign tumors do not invade tissue around it or spread to the other part of the body through blood stream. Moreover, this kind of tumor is removable using small surgery called colonoscopy. Benign tumor is not dangerous to our life.
When these benign polyps are not removed as soon as possible, it can turn into malignant over time. When the polyps turn into cancer, your life is in danger. Most doctors believe that all colon cancer is developed from un-removed polyps. This tumor is called colon cancer or the colorectal cancer. As any other cancers do, this cancer can spread away. It can break away and spread to other parts of the body (such as liver and lung). To prevent colon cancer, it is better to remove the polyps as soon as possible through small surgery.

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