Symptoms

Colorectal cancer is a disease which can have no symptoms at all for many years. This is why it is so important to participate in regular colorectal cancer screening.

If symptoms occur, these depend on the location of the tumor in the colon, and whether it has spread elsewhere in the body (metastasis). While no symptom is diagnostic of colorectal cancer, rectal bleeding or anaemia are high risk factors.

Other symptoms can include:
  • persistent change in intestinal function over a period of several weeks
  • unexplained constipation or diarrhoea
  • very dark stools
  • unexplained severe pain and/or lump in the abdomen
  • extreme fatigue without an obvious cause
It is important to remember that most symptoms do not turn out to be colorectal cancer. However, if you are experiencing any of the above symptoms you should see your doctor.

What is Colorectal Cancer (English)

EuropaColon "What is Colorectal Cancer" leaflet
(English)

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It is most important to remember that most symptoms do not turn out to be colorectal cancer. However, if you are experiencing any of the above symptoms you should go to see your doctor.
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