Bowel Cancer Awareness Month

Bowel Cancer Awareness Month


June 2nd, 2020

Updated June 2021.

Bowel Cancer

June is Bowel Cancer Awareness Month, and as the fourth most-common and second-most deadly cancer it is well-worth taking some time to discuss what bowel cancer is, what the symptoms and risk factors are, and how may be treated. 

We’re sharing information from Bowel Cancer Australia’s website in this post – if you are able, please take the time to show them some support during Bowel Cancer Awareness Month.

Abdominal pain

What are the stats around bowel cancer?

Bowel cancer, also known as colorectal cancer, is the fourth most-common cancer diagnosed in Australia each year after breast cancer, prostate cancer and melanoma.  It is the second deadliest cancer in Australia claiming the lives of over 5,000 Australians each year. Over 15,000 people are diagnosed each year, with most being over the age of 50, and this number is almost evenly split 50/50 between males and females.

Bowel cancer comprises of two different types of cancer – colon cancer and rectal cancer.  The sad fact about bowel cancer being so deadly is that 99% of bowel cancers can be treated if detected early enough, and if treated, the chances of survival for at least five years is around 70%.

Unfortunately however a lot of cases aren’t detected in time (less than 50% in fact).  Coupled with that, the prevalence of bowel cancer is on the rise – in fact Australia has one of the highest rates of bowel cancer in the world with 1 in 13 Australians developing the disease in their lifetime.  And while we mentioned above that it is more prevalent in over 50’s, more cases are being diagnosed in those under 50 too.

Small and large bowel

What is your bowel?

Your bowel is part of your digestive system and is made up of two parts – the small bowel (small intestine) and the large bowel (large intestine, made up of the colon and rectum).  Your small intestine is actually longer than your large intestine, but is narrower.  It’s actually quite impressive how long they both are – the small intestine is around 2.7-4.8m long and the large intestine is around 1.5m long.  Together, they both play an important part in processing and breaking down food that has already been through your stomach, absorbing nutrients your body can use, and moving waste further along (and eventually out) of your body. 

Most bowel cancers start as small, benign growths called polyps in the lining of the bowel.  Polyps themselves are fairly common, however a particular type of polyp (adenomatous) can become cancerous if left undetected, and may spread to other organs.

Diet

What are the risk factors?

There are a few risk factors for bowel cancer – some you have a degree of influence over and others you don’t.  The modifiable risk factors for bowel cancer include:

  • Smoking
  • Eating too much red meat
  • Eating processed meat
  • Drinking alcohol
  • Being overweight or obese

Many of these can be addressed or minimised through diet or lifestyle changes.  However there are also some risk factors for bowel cancer that you can’t help.  These include:

  • Age (particularly those over 50)
  • Family history/hereditary conditions
  • Your personal health history (such as other diseases or illnesses that you may suffer from).

Exercise

What are the symptoms?

So many cases of bowel cancer go undetected because quite often there are no symptoms in the early stages.  It is one of the reasons that screening is so important, and in Australia is recommended every two years from the age of 50. 

Interestingly, cancers causing on either the left or right side of the colon can cause different symptoms as well.  For the left side, often sufferers report constipation or diarrhoea, abdominal pain, nausea and vomiting, whereas on the right side, sufferers may report more vague symptoms of aches.  Bowel Cancer Australia suggests that you should see a GP if you experience these symptoms:

  • Blood in your faeces, or rectal bleeding
  • A recent, persistent change in bowel habit
  • A change in appearance of your faeces
  • Abdominal pain or swelling
  • Pain or lump in the anus or rectum
  • Unexplained anaemia causing tiredness, weakness or weight loss

If you believe you have suffered from any of the above, make an appointment and we’ll talk you through the next steps.

How may bowel cancer be treated?

It goes without saying that the treatment plan assigned to you will be unique to your situation.  Some factors include where the cancer is located, how big the tumour is, the type of cancer cells and your health in general. Treatment depends on a number of factors, including where the cancer is located (such as in the colon or the rectum).  Surgery may be undertaken to remove the cancer, or chemotherapy and radiotherapy could help to slow the progression or reduce the size of the tumour. 

Remember that the prognosis improves the earlier the cancer is diagnosed, so it is important not to ignore any symptoms that you are experiencing.

National Bowel Cancer Screening Program

Australia’s National Bowel Cancer Screening Program

This initiative, by the Australian Government allows for every Australian aged from 50-74 to receive a tax-payer funded screening test every two years.  These tests, sent in the mail, involves collecting a sample of toilet water or poo, and sending this off to a lab for analysis.

A positive result means blood has been detected.  That doesn’t mean a diagnosis of bowel cancer, but it does mean you need to contact a GP.  They may then refer you on for a colonoscopy. 

A negative result means no blood has been detected.  That doesn’t mean you may not develop bowel cancer in the future though – so it is important to complete these tests when they arrive in the post every two years, just in case your situation has changed in that time. 

Seek treatment for bowel cancer

What should you do if you are concerned?

The first step is to book an appointment with a GP.  They will be able to discuss the diagnostic tools and tests available to you and arrange any necessary referrals for this testing.  You may also like to take the time to read through the comprehensive information on the Bowel Cancer Australia website, to further inform you about bowel cancer symptoms and treatment options. 

Take the time this month during Bowel Cancer Awareness Month to learn more about bowel cancer, and if you can, please look at ways to get involved in raising awareness for this prevalent disease.

This website does not provide medical advice.  It is intended for informational purposes only.  It is not a substitute for professional medical advice, diagnosis or treatment.  Never ignore professional medical advice in seeking treatment.  If you think you may have a medical emergency, immediately dial Triple 0 (000).

Sources:

Australian Government – Cancer Australia, Bowel Cancer..&text=In%202018%2C%20the%20age%2Dstandardised,males%20and%2015%20for%20females) Last accessed June 2021.

Bowel Cancer Australia, *National Bowel Cancer Screening Program.  *Last accessed June 2021.

Bowel Cancer Australia, What is Bowel Cancer? Last accessed June 2021.

Cancer Council, Bowel Cancer. Last accessed June 2021.

Medical News Today, How long are the intestines?  Accessed June 2021.

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