Radiation therapy uses X-rays to destroy colorectal cancer cells. It is often combined with surgery or chemotherapy. Radiation therapy may also be used to reduce the cancer's size when it is blocking the colon or rectum or to relieve pain.
Although these blood tests are highly reliable, no test is 100% accurate. The test cannot tell you when or whether you will develop colon cancer. Testing negative for an inherited colon cancer syndrome (FAP or HNPCC) does not mean you will never get colon cancer. It means your risk of colon cancer is about the same as that of the average person.It's very helpful if a close relative-preferably a ..
Unless colon polyps are large and cause bleeding or pain, the only way to know if you have polyps is to have one or more tests that explore the inside surface of your colon. Several tests can be used to detect colon polyps.
Colon polyps usually do not cause symptoms unless they are larger than or they are cancerous. The most common symptom is rectal bleeding. Sometimes the bleeding may not be obvious (occult) and may only be discovered after doing a screening test.
Your doctor may recommend earlier or more frequent testing if you: Already have been diagnosed with colorectal cancer. Have a first-degree relative (parent,brother,sister,or child) with an adenomatous polyp or colorectal cancer. Are an African American. Have had adenomatous polyps removed from your colon. This type of polyp is more likely to turn into cancer,but the risk is still very ...
Health Tools help you make wise health decisions or take action to improve your health.Decision Points focus on key medical care decisions that are important to many health problems. Colon Cancer: Which Screening Test Should I Have?