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Cancro intestinale

Quali sono i primi segnali di avvertimento del cancro al colon?

È facile ignorare un cambiamento nelle abitudini intestinali o sottovalutare mal di stomaco e gonfiore come problemi alimentari. Tuttavia, se questi problemi persistono e sono inspiegabili, potrebbero essere segnali di cancro al colon - e riconoscerli precocemente è molto importante.

Video picks for Cancro intestinale

Cancro intestinale - also called colorectal cancer - affects your large bowel, which is made up of the colon and rectum. Around 44,000 people are diagnosed with bowel cancer every year in the UK.

Although more than 9 out of 10 new cases are diagnosed in people over the age of 50, bowel cancer can affect anyone of any age. More than 17,000 people die from bowel cancer in the UK every year, but it can be treatable and possibly curable - especially if it's diagnosed early.

Genevieve Edwards, chief executive at Bowel Cancer UK, says: "Bowel cancer is the UK’s fourth most common cancer but it doesn’t have to be this way. It’s treatable if diagnosed early and by going straight to your doctor it’s possible to rule out bowel cancer first and fast."

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Signs of bowel cancer

Changes in your poo

Symptoms of bowel cancer may include changes in your poo. Your poo may be softer or you may have diarrhoea or constipation that is not usual for you. You may need to poo more or less often than usual, or have blood in your poo - which may look red or black. Additionally, you might often feel like you need to poo, even if you've just been to the toilet.

The key symptoms to look out for include:

  • Bleeding from your bottom.

  • Sangue nelle feci.

  • A persistent and unexplained change in how often you poo, or in your normal urge to do so.

  • Unexplained perdita di peso.

  • Extreme stanchezza for no obvious reason.

  • A pain or lump in your tummy.

Edwards says: "Most people with these don’t have bowel cancer, but if you experience one or more of them, you should visit your doctor straight away. They may ask you to do a test at home to help decide whether your symptoms need further investigation."

Tummy pain and bloating

Tummy aches and gonfiore are common and can be linked to a number of health issues, from your diet to stress. However, if these issues continue for weeks, they may be an early sign of bowel cancer and you should see your doctor.

In women, persistent and continuous bloating can also be a sign of ovarian cancer, so it's important to see your doctor.

Losing weight without trying

Perdere peso, losing your appetito or feeling weak - without any obvious explanation as to why - can be possible signs of bowel cancer, along with many other unrelated conditions. You may also feel very tired for no reason.

If you have any of these symptoms for three weeks or more, you should speak to your doctor.

Bowel cancer in under-50s

Although bowel cancer is more common in people over 50, it's important that everyone is aware of the symptoms.

Researchers at the Washington University School of Medicine in St Louis studied more than 5,000 patients under the age of 50 with bowel cancer. Their symptoms before diagnosis included abdominal pain, bleeding from the bottom, diarrea, and iron deficiency anemia.

Yin Cao, a senior investigator for the study, said: "Bowel cancer is not simply a disease affecting older people. Younger adults need to be aware of and act on these potentially very telling signs and symptoms - particularly because people under 50 are considered to be at low risk, and they don’t receive routine bowel cancer screening."

When you see your doctor, they will ask you about your symptoms, your health in general, and your medical history. They may also ask if anyone in your family has had bowel cancer. Your doctor may feel your stomach or ask to do a rectal examination, where they put a gloved finger inside your bottom to check for lumps.

You can ask for a male or female doctor or nurse if you feel more comfortable. You may also be asked for a poo (stool) sample for testing.

Your doctor may refer you for more tests or to see a specialist in hospital if they think you have symptoms that need to be investigated, but this doesn’t mean you have cancer.

Speak to your doctor if you're ever concerned about your health or any changes to your body or toilet habits.

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About the author

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Lydia Smith

Scrittore di articoli

BA, MA, MSc

Lydia Smith è una giornalista pluripremiata e scrittrice di articoli che ha scritto ampiamente sulla salute delle donne e sulla salute mentale. Attualmente sta studiando per un MSc in psicologia.

About the reviewerView full bio

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Dr Colin Tidy, MRCGP

Medico di base, Autore medico

MBBS, MRCGP, MRCP (Paediatrics), DCH

Dr Colin Tidy is an NHS Doctor, based in Oxfordshire.

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