Colorectal Cancer: Risks, Screening, and Prevention

By: Dr. Fernando Lambreton Hinojosa, DHR Health Colorectal Surgeon
1100 E. Dove Ave Suite 300 McAllen, TX
To schedule an appointment, call (956) 362-8170
To learn more about gastroenterology services at DHR Health, https://dhrhealth.com/services/gastroenterology-advanced-endoscopy/

What to know about Colorectal Cancer?

Colorectal cancer (CRC) is the 3rd most commonly diagnosed cancer in both men and women, and is the 4th leading cause of cancer deaths in the US. About 1 in 23 men and 1 in 25 women will be diagnosed with colorectal cancer in their lifetimes. CRC tends to develop from polyps, which are growths in the lining of the colon and rectum. About 15-40% of American adults are found to have colon polyps on colonoscopy.

Who is at increased risk?

Family history is the most important factor to consider when determining your risk. If a first-degree relative (parent, sibling, or child) has been diagnosed, you should get screened. Other risk factors include a history of colon polyps, Crohn’s disease, ulcerative colitis, hereditary syndromes (Lynch syndrome or FAP), smoking, heavy alcohol use, and obesity. Risk also increases with age.

Who should get screened?

Everyone between the ages of 45 and 75 should be screened for CRC. In patients older than 75, screening is an individual decision and you should discuss this with your doctor. If you have a first degree relative with CRC you should begin screening at the age 10 years younger than when your relative was diagnosed, or age 40, whichever is sooner. People with Crohn’s disease, ulcerative colitis, as well as hereditary syndromes such as FAP and Lynch syndrome will also need earlier and more frequent screening.

How to get screened?

Colonoscopy is the best CRC screening test as it detects and removes polyps. Other methods test stool for blood, but a positive result requires a colonoscopy. Talk to your doctor about the best screening option for you.

When should I worry?

Signs or symptoms such as rectal bleeding, changes in your bowel habits (diarrhea, constipation, feeling like you’re not emptying completely), changes in stool caliber (long and thin stools), abdominal pain, or unexplained weight loss should prompt a visit to your doctor. March is Colorectal Cancer Awareness Month, a perfect time to take charge of your health. I encourage everyone to talk to their doctor about screening and remind loved ones to do the same—it could save a life.

About Dr. Fernando Lambreton Hinojosa

Dr. Fernando Lambreton Hinojosa specializes in the diagnosis and treatment of colon and rectal conditions, including colon and rectal cancer, diverticulitis, hemorrhoids, anal cancer, and prolapse. Bilingual in Spanish, he prioritizes clear communication, personalized care, and using advanced technology to improve outcomes and empower patients.

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