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Colorectal Cancer


Cancer can occur in any part of the colon. Cancer that arises in the rectum is called rectal cancer. Colon cancer and rectal cancer are referred to as colorectal cancer. Colorectal cancer is slightly more common in men.

Most colon cancers arise from polyps, or growths on the lining of your colon. These polyps are benign when they first appear, but some can grow and turn into cancer over time. Detecting polyps early, before any symptoms start, and removing them can prevent cancer from developing, which is why screenings are so important.


Symptoms of colorectal cancer include:

  • A change in the consistency, shape or frequency of bowel movements
  • Rectal bleeding or blood in stool
  • Abdominal discomfort such as cramps, bloating, gas or pain
  • Feeling unable to empty bowels

Who's at Risk?

We know that an early detection of colorectal cancer can help save a life, but how do you know if and when you may need to get screened?

  • Men and women over 50 are at higher risk than other age groups.
  • If you have a history of colorectal cancer in your family, it is important that you share the information with your Aurora primary care physician. Your doctor will refer you for a screening.


Tests that detect adenomatous polyps and cancer include:
Tests that detect cancer:
  • Fecal occult blood test (FOBT)
  • Guaiac fecal occult blood test
  • Fecal immunochemical test (FIT)
  • Stool DNA test

Did You Know?

Certain Ethnic Groups are at Higher Risks for Colorectal Cancer. 

Treatment Options

Your colorectal cancer treatment plan may include surgery, radiation therapy, interventional radiology or chemotherapy. Your doctor will discuss treatment options that are right for you.

Surgery is the primary form of treatment for colorectal cancer. We can remove tumors in either open or minimally invasive (laparoscopic) surgery, with techniques that save the rest of your bowel so you won't need a permanent colostomy. Specialized surgical procedures include:

  • Partial colectomy: A section of the colon containing the cancer is removed, along with nearby lymph nodes. This can be done through an open, robotic-assisted laparoscopic or hand-assisted laparoscopic surgery (HALS) approach. 
  • Hand-assisted laparoscopic surgery (HALS) requires only a few small incisions in your abdomen, rather than the long single long incision in traditional open surgery. The surgeon uses a thin, lighted tube and tiny video camera to see the surgical site on a video monitor. HALS and laparoscopic surgery mean less blood loss, less pain and scarring, decreased rates of infection and a faster recovery time. 
  • Single-incision laparoscopic surgery (SILS) is another laparoscopic option in which your surgeon makes just one small incision through your navel.
  • Transanal resection: The surgery can be done through your anus without an incision in the abdomen if you have stage I rectal cancer
  • TEMS (transanal endoscopic microsurgical excision): This technique allows your surgeon to remove some tumors higher up in the rectum through the anus without an incision in your abdomen.
  • Low anterior (LA) resection: This surgery is used for cancers found in the upper and middle rectum. After surgery, the colon is attached to the lower rectum and you can pass stool in the usual way.
  • Proctectomy with coloanal anastomosis/J-pouch: This surgery is used for cancers in the lower part of the rectum. During this surgery, your surgeon removes your entire rectum and attaches the colon to your anus. A pouch is constructed (using part of the colon) allowing stool to pass in the normal way. Your surgeon will also use TME (total mesorectal excision) to remove lymph nodes and reduce your risk of recurrence.
  • Abdominoperineal (AP) resection: This surgery is used for cancers found in the lowest part,or anal area, of your rectum. During this surgery, your surgeon removes your anus, so you'll need a permanent colostomy.
  • Robotic surgery: This is like laparoscopic surgery, but with special robotic technology. The robot allows your surgeon to perform more complex procedures with more precision than laparoscopic surgery alone.
  • NOTES (natural orifice transluminal endoscopic surgery): This isn't used yet, but it's on the horizon. It's a technique that allows for abdominal surgery without scars because it's performed with a scope passed through a natural opening (orifice) such as the mouth or vagina.

After surgery, we may recommend chemotherapy or radiation to try to prevent the cancer from recurring. Our cancer specialists use radiation therapy primarily for rectal cancer. We use:

  • External beam radiation therapy (EBRT)
  • CyberKnife radiosurgery may be used to treat colorectal tumors that have spread to other organs such as the liver, lungs, brain or spinal cord.
  • Interventional radiology, where specialized radiologists provide treatment options for colorectal cancer that has spread to the liver, such as:
    • Therasphere: Tiny glass beads called microspheres, injected through a catheter from the groin into the liver artery supplying the tumor, deliver radiation directly to tumors in your liver.  
    • Radiofrequency ablation (RFA) is a nonsurgical, local treatment that kills tumor cells with heat.
    • Chemoembolization delivers a high dose of chemotherapy directly to the liver, while also depriving the tumor of its blood supply by blocking or embolizing the arteries feeding the tumor.
    • Cryoablation uses an extremely cold liquid to freeze your tumor.
    • Hepatic artery infusion pumps deliver chemotherapy through the blood vessel that supplies the liver.

Treating Your Cancer, Caring For You

In addition to top-notch medical care, Aurora offers patients:

Find a Cancer Specialist

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