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Know Your Risks
Colorectal Cancer Risk Assessment

Cancer of the colon or rectum (colorectal cancer) usually develops slowly, over several years. Take this simple assessment to learn about your risks for this type of cancer.

OverviewSee All
 Digestive System -- An Overview in Overview
Detailed information on how the digestive system works, including a full-color, labeled illustration of the digestive system. ...more
 Anatomy of the Anus in Overview
The anus is the last part of the digestive tract. Learn more about its anatomy, including where anal cancer is likely to start. ...more
 Anal Cancer: Introduction in Overview
Anal cancer is cancer that starts in the cells of the anus. Learn more about this type of cancer. ...more
 Anal Cancer: Risk Factors in Overview
A risk factor is anything that may increase your chance of having a disease. Learn about the risk factors for anal cancer. ...more
 Anal Cancer: Symptoms in Overview
Sometimes anal cancer does not cause any symptoms at all. Bleeding from your rectum is the most common symptom of anal cancer. ...more
 Anal Cancer: Early Detection in Overview
Screening tests are done to check for diseases in people who don't have symptoms. A digital rectal exam may be used to screen for anal cancer. ...more
 AIDS-Related Cancers in Overview
People who have AIDS are much more likely to get certain types of cancer than people without the disease. ...more
 Digestive System -- An Overview in Overview
Detailed information on how the digestive system works, including a full-color, labeled illustration of the digestive system. ...more
 Anatomy of the Anus in Overview
The anus is the last part of the digestive tract. Learn more about its anatomy, including where anal cancer is likely to start. ...more
 Anal Cancer: Introduction in Overview
Anal cancer is cancer that starts in the cells of the anus. Learn more about this type of cancer. ...more
 Anal Cancer: Risk Factors in Overview
A risk factor is anything that may increase your chance of having a disease. Learn about the risk factors for anal cancer. ...more
 Anal Cancer: Symptoms in Overview
Sometimes anal cancer does not cause any symptoms at all. Bleeding from your rectum is the most common symptom of anal cancer. ...more
 Anal Cancer: Early Detection in Overview
Screening tests are done to check for diseases in people who don't have symptoms. A digital rectal exam may be used to screen for anal cancer. ...more
 AIDS-Related Cancers in Overview
People who have AIDS are much more likely to get certain types of cancer than people without the disease. ...more
Understanding Your DiagnosisSee All
 Anal Cancer: Diagnosis in Understanding Your Diagnosis
If your healthcare provider thinks you might have anal cancer, you will need certain exams and tests to be sure. ...more
 Anal Cancer: Newly Diagnosed in Understanding Your Diagnosis
Being told you have anal cancer can be scary, and you may have many questions. But you have people on your healthcare team to help. ...more
 Anal Cancer: Stages in Understanding Your Diagnosis
The stage of a cancer is how much and how far the cancer has spread in your body. Learn the stage groupings for anal cancer. ...more
 Prostate/Rectal Ultrasound in Understanding Your Diagnosis
A prostate or rectal ultrasound is an imaging test that uses sound waves to look at your prostate or your rectum. ...more
 Anal Cancer: Tests After Diagnosis in Understanding Your Diagnosis
After a diagnosis of anal cancer, you'll likely have other tests. Learn which tests you may have. ...more
 Anal Cancer: Diagnosis in Understanding Your Diagnosis
If your healthcare provider thinks you might have anal cancer, you will need certain exams and tests to be sure. ...more
 Anal Cancer: Newly Diagnosed in Understanding Your Diagnosis
Being told you have anal cancer can be scary, and you may have many questions. But you have people on your healthcare team to help. ...more
 Anal Cancer: Stages in Understanding Your Diagnosis
The stage of a cancer is how much and how far the cancer has spread in your body. Learn the stage groupings for anal cancer. ...more
 Prostate/Rectal Ultrasound in Understanding Your Diagnosis
A prostate or rectal ultrasound is an imaging test that uses sound waves to look at your prostate or your rectum. ...more
 Anal Cancer: Tests After Diagnosis in Understanding Your Diagnosis
After a diagnosis of anal cancer, you'll likely have other tests. Learn which tests you may have. ...more
Deciding on TreatmentSee All
 Anal Cancer: Treatment Choices in Deciding on Treatment
Different types of treatment have different goals. Learn about anal cancer treatments and their goals, so you can choose the one that's best for you. ...more
 Anal Cancer: Chemotherapy in Deciding on Treatment
Chemotherapy (chemo) uses anticancer medicines to kill cancer cells. Learn how chemo is used to treat anal cancer. ...more
 Anal Cancer: Radiation Therapy in Deciding on Treatment
Radiation therapy is one way to treat anal cancer. It uses X-rays to destroy and control the growth of cancer cells. ...more
 Anal Cancer: Surgery in Deciding on Treatment
There are two types of surgery used to treat anal cancer. Learn about these surgeries....more
 Anal Cancer: Treatment Choices in Deciding on Treatment
Different types of treatment have different goals. Learn about anal cancer treatments and their goals, so you can choose the one that's best for you. ...more
 Anal Cancer: Chemotherapy in Deciding on Treatment
Chemotherapy (chemo) uses anticancer medicines to kill cancer cells. Learn how chemo is used to treat anal cancer. ...more
 Anal Cancer: Radiation Therapy in Deciding on Treatment
Radiation therapy is one way to treat anal cancer. It uses X-rays to destroy and control the growth of cancer cells. ...more
 Anal Cancer: Surgery in Deciding on Treatment
There are two types of surgery used to treat anal cancer. Learn about these surgeries....more
Managing Side EffectsSee All
 General Nutrition Guidelines During Cancer Treatment in Managing Side Effects
You may have difficulty eating or lose your appetite during cancer treatment. Try eating small, frequent meals throughout the day. To improve your appetite, don't drink beverages with your meals. ...more
 Managing Cancer-Related Fatigue in Managing Side Effects, Other Treatment Side Effects
Fatigue can come and go or stay constant for a while. Fatigue from chemotherapy tends to happen a few days after the treatment, peaks, and then gets better before the next treatment. Fatigue from radiation may not happen right away. ...more
 Anal Cancer: Treatment Questions in Managing Side Effects
Here is a list of questions to ask your healthcare provider about treatment for anal cancer. ...more
Chemotherapy Side EffectsOther Treatment Side Effects
 General Nutrition Guidelines During Cancer Treatment in Managing Side Effects
You may have difficulty eating or lose your appetite during cancer treatment. Try eating small, frequent meals throughout the day. To improve your appetite, don't drink beverages with your meals. ...more
 Managing Cancer-Related Fatigue in Managing Side Effects, Other Treatment Side Effects
Fatigue can come and go or stay constant for a while. Fatigue from chemotherapy tends to happen a few days after the treatment, peaks, and then gets better before the next treatment. Fatigue from radiation may not happen right away. ...more
 Anal Cancer: Treatment Questions in Managing Side Effects
Here is a list of questions to ask your healthcare provider about treatment for anal cancer. ...more
Cancer FAQsSee All
 Anal Cancer Overview in Cancer FAQs
The anus is the last part of the digestive tract. Most anal cancers start in the cells that make the inside lining of the anus. Learn more about symptoms, diagnosis, and treatments. ...more
 Anal Cancer Overview in Cancer FAQs
The anus is the last part of the digestive tract. Most anal cancers start in the cells that make the inside lining of the anus. Learn more about symptoms, diagnosis, and treatments. ...more