What Are Basics of Colorectal Cancer?




What is colorectal cancer?

Colorectal cancer refers to any cancer that affects the colon and the rectum.

In most times colon cancer begin as small, benign clumps of cells, over time some of these cells can become colorectal cancers.


What causes colorectal cancer?

It is not clear exactly why colorectal cancer develops in some people and not in others.

Healthy cells keep your body functioning normally, but when a cell’s DNA is damaged, cells continue to divide. As the cells accumulate, they form a tumor.


What are signs and symptoms of colorectal cancer?

Symptoms of colorectal cancer include:

  • a feeling of fullness in the abdomen, even after not eating for a while
  • a feeling that the bowel does not empty properly after a bowel movement
  • a lump in the abdomen or the back passage felt by your doctor
  • blood in feces that makes stools look black
  • bright red blood coming from the rectum
  • changes in bowel habits
  • diarrhea or constipation
  • fatigue or tiredness
  • pain and bloating in the abdomen
  • unexplained weight loss


How can chemotherapy treat colorectal cancer?

Chemotherapy involves using a medicine or chemical to destroy the cancerous cells. It may help shrink the tumor before surgery.

Medications that may be used for colorectal cancer include:

  • bevacizumab (Avastin)
  • ramucirumab (Cyramza)


What are other treatment options for colorectal cancer?

Other treatment options include surgery and radiotherapy:

  • Surgery for colorectal cancer – This is the most common treatment. If the cancer is diagnosed early enough, surgery may successfully remove the tumor. If surgery does not stop the cancer, it will ease the symptoms.
  • Radiation therapy – Radiation therapy uses high energy radiation beams to destroy the cancer cells and to prevent them from multiplying. It may also help shrink the tumor before surgery.

To learn more you should go to a medical professional.

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* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.