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March is Colorectal Cancer Awareness Month, a time set aside to remind all men and women to speak with their healthcare providers about getting screened for the disease. By finding cancer or polyps that may become cancer early, it is easier to treat and possibly cure.

According to the American Cancer Society, colon cancer is the third leading cause of cancer deaths for men and women. It is estimated that approximately 141,210 new cases are expected to be diagnosed this year, and nearly 49,380 people will lose their lives to the disease. However, the number of cases and deaths from colorectal cancer has declined over the past 15 years in large part because of colorectal cancer screening, which can detect polyps before they turn into cancer.  For both men and women at average risk for colorectal cancer, the American Cancer Society recommends screening begin at age 50 using one of the tests listed below.

Tests that find polyps and cancer

• Flexible sigmoidoscopy every 5 years*

• Colonoscopy every 10 years

• Double-contrast barium enema every 5 years*

• CT colonography (virtual colonoscopy) every 5 years*


Tests that mainly find cancer

• Fecal occult blood test (FOBT) every year*,**

• Fecal immunochemical test (FIT) every year*,**

• Stool DNA test (sDNA), interval uncertain*

*Colonoscopy should be done if test results are positive.

**For FOBT or FIT used as a screening test, the take-home multiple sample method should be used. An FOBT or FIT done during a digital rectal exam in the doctor's office is not adequate for screening.

For people with certain risk factors, screening should begin earlier or be done more often. While the exact cause of colorectal cancer is unknown, risk factors for the disease include:

  • Age– chances of being diagnosed with colorectal cancer increase as a person gets older
  • Family history– having close relatives with the colorectal cancer increases a person’s risk of developing the disease
  • Diet – diets high in fat and low in calcium, folate and fiber may increase the risk
  • Ethnicity– Jews of Eastern European descent have a higher rate of colon cancer
  • Genetic alterations– certain syndromes that involve family members having hundreds of polyps in their colon or rectum may make someone more likely to get colorectal cancer
  • History of colorectal polyps– common in people over the age of 50, some growths on inner wall of colon or rectum can become cancerous
  • Smoking– may increase risk of developing polyps and colorectal cancer
  • Alcohol– heavy use of alcohol has been linked to the disease
  • History of bowel disease– a disease called ulcerative colitis (Crohn’s colitis) increases the risk of colon cancer
  • Lack of exercise– people who are not active have a higher risk of colorectal cancer
  • Overweight– being very overweight increases a person’s risk

Arizona Oncology plays a major role in helping people throughout Arizona and their families win the battle against colorectal cancer by providing easy access to a full range of advanced cancer care services in a setting that allows patients to remain close to their homes and their support network of family and friends.

United In Healing
Arizona Oncology is united in healing with The US Oncology Network. The US Oncology Network unites one of the nation’s largest community-based cancer treatment and research networks to expand patient access to high-quality care and advance the science of cancer care.  As a member of The US Oncology Network, physicians and clinicians at Arizona Oncology are united with more than 1,000 physicians and 10,000 cancer professionals from across the country.  For more information, visit or


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