Colorectal Cancer

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Why Choose Houston Methodist for Colorectal Cancer Treatment

Houston Methodist’s specialists are among the best worldwide in screening and treating colon and rectal cancer. We are committed to ensuring you or your loved one receive expert care in a compassionate, collaborative and innovative environment — care we would provide our own families.


The benefits of choosing our colorectal cancer team include:

  • Support from doctors, nurses and staff who have decades of experience diagnosing and treating all colorectal cancer stages
  • Access to surgeons who are experts in the minimally invasive and enhanced-recovery techniques that can reduce pain and shorten the time it takes to recover
  • Care provided by medical, surgical and radiation oncologists who work together to guarantee your treatment is tailored to your unique condition and lifestyle needs
  • A robust colorectal cancer screening program — with gastroenterologists who perform tens of thousands of screenings annually and who assure the timely removal of polyps during screening colonoscopies.


We treat colorectal cancer at seven locations across Greater Houston, so you can find cancer care from our experts close to home or work.

What Causes Colorectal Cancer?

Colorectal cancer occurs when your cells in your colon or rectum begin to grow out of control. Most start as polyps, which are growths on the lining of the colon or rectum, though not all polyps develop into cancer.


The two main types of polyps are:

  • Adenomatous polyps (adenomas)
  • Hyperplastic polyps and inflammatory polyps


Adenomas are more likely to change into cancer than hyperplastic or inflammatory polyps.


Other features that make it more likely for a polyp to signal cancer are if:

  • The polyp is larger than 1 cm
  • Three polyps are found
  • An area in a polyp or lining of the colon or rectum lining appear abnormal (dysplasia)

What Are the Symptoms of Colorectal Cancer?

Some colorectal cancer symptoms are fairly obvious, while other are more subtle.


Common colorectal cancer symptoms include:

  • Blood in your stool
  • Changes in bowel habits or the texture of your stool
  • Abdominal pain or cramping
  • Unexplained weight loss

What Are the Colorectal Cancer Screening Options?

Routine screening for colorectal cancer is recommended for almost everyone starting at age 45. This screening is key to colorectal cancer prevention.


Colorectal cancer screening tests include:

  • Flexible sigmoidoscopy – performed to examine the interior walls of the rectum and part of the colon
  • Colonoscopy – performed to examine the interior walls of the rectum and colon
  • Double-contrast barium enema – an X-ray test that highlights the inner part of the colon and rectum
  • Computed tomography (CT) colonography, or virtual colonoscopy – creates a 3D view of the colon and rectum  
  • Fecal blood tests – stool samples collected by patients using a kit and returned to the doctor


The tests used to look for hidden blood in the stool include:

  • High-sensitivity fecal occult blood test (FOBT)
  • Fecal immunochemical test (FIT)

How Is Colorectal Cancer Diagnosed?

If you have colorectal cancer symptoms and screening tests detect something abnormal, your doctor will use one of the following tests to further evaluate your condition:

  • Blood tests
  • Endoscopic procedures to visualize the colon or rectum
  • Biopsy
  • X-ray
  • Computed tomography (CT) scans
  • Magnetic resonance imaging (MRI)

What Are the Treatment Options for Colorectal Cancer?

At Houston Methodist, we are dedicated to providing leading-edge colorectal cancer treatment, including surgical procedures performed totally robotically. Our goal is to provide effective treatments while reducing pain and complications through advanced techniques.

Learn more about the colorectal cancer treatment our experts offer >

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