Colorectal cancer is cancer of the colon and/or rectum. It is the third most common form of cancer and the second superior cause of cancer-related death in the Western world. In the United States, it is the fourth most common cancer in men and women. Colon cancer and rectal cancer have many features in common. They are discussed together here except for the section about treatment, where they are discussed separately. Globally, cancer of the colon and rectum is the third leading cause of cancer in males and the fourth leading cause of cancer in females. The frequency of colorectal cancer varies around the world. It is common in the Western world and is rare in Asia and Africa. In countries where the people have adopted western diets, the incidence of colorectal cancer is increasing. Cancer that starts in these different areas may cause different symptoms. In most cases, colorectal cancers develop slowly over many years. The risk of developing colorectal cancer more common in people over 50. Women who have a history of ovarian, uterine or breast cancer have a somewhat increased risk of developing colorectal cancer. A diet high in fat and calories and low in fiber may be linked to a greater risk of developing colorectal cancer. People with diabetes have a 30-40% increased risk of developing colon cancer. Parents, siblings, and children of a person who has had colorectal cancer are somewhat more likely to develop colorectal cancer themselves. If many family members have had colorectal cancer, the risk increases even more. About 112,000 people are diagnosed with colon cancer annually, and about 41,000 new cases of rectal cancer are diagnosed each year. Signs and symptoms of colon cancer include change in your bowel habits, including diarrhea or constipation or a change in the consistency of your stool for more than a couple of weeks. Other symptoms are the rectum bleeding or the blood in yours stool, persisted stomach and intestines uncomfortable, for example the cramp, the gas or the pain, the stomach and intestines your intestines incompletely dump the pain by the intestines movement, the feeling, weakness or is weary and without the showing reduction. Has increase development disease person's risk some factors. The treatment is decided by the cancer staging. When the colorectal cancer is seized at the early surgery still is the main treatment when the chemotherapy and/or the radiotherapy is perhaps recommended the basis independent patient's staging and other medical factors.
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