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Cancer risk assessment service (CRAS)

For patients who have a family history of breast, ovarian or bowel cancer 

What is the cancer risk assessment service?

The cancer risk assessment service (CRAS) is for people who may be concerned about their family history of breast, ovarian, bowel cancer and, or, bowel polyps.

The service includes:

  • an appointment to discuss family history of cancer
  • a family tree and explanation of the risks
  • information about symptom awareness, screening and lifestyle advice
  • referral for enhanced breast or bowel screening, if needed 
  • a discussion about medicine to prevent cancer (chemoprevention), if needed
  • referral to the genetics clinic to discuss further options, if needed

Who can use the service?

The service is for anyone with a personal or family history of breast, ovarian, and bowel cancer, or bowel polyps.

If you have a family history of breast or ovarian cancer

You can refer yourself to the service if you live in or are registered with a GP in:

  • Bromley
  • Lambeth
  • Lewisham
  • Southwark

People living outside of these boroughs will need a GP referral.

If you have a family history of bowel cancer or polyps

This service is available for anyone referred by their GP.

If you experience any breast changes, bowel symptoms or have concerns about your health, please contact your GP.

How do I access the service (self-refer)?

Please call 020 7188 1385. Leave your name and a contact number on the answer phone. Please also say that you would like to make an appointment with the cancer risk assessment service.

If you leave a message on the answerphone you will be contacted within 5 working days to confirm we have received your message. Our working hours are Monday to Friday, 9am to 5pm.

You can also email The patient access team will process your self-referral and contact you to arrange an appointment.

Can I ask for a referral?

If you have a family history of cancer and live outside these areas, you can ask your GP to refer you.

Where do I need to go?

We can offer appointments at various locations across South East London. 

We can also offer phone and video appointments. The patient access team will discuss the options with you so you can choose what is best for you.

You will not have a physical examination or a blood test at the clinic. The appointment will last about 30 minutes.

What do I need to bring with me?

Please bring any details about family members who have had cancer, including the type of cancer they had and how old they were when diagnosed.

The team

  • Michelle Weston: lead cancer family history nurse specialist
  • Rachel Williams: cancer family history nurse specialist
  • Dr Vishakha Tripathi: consultant genetic counsellor
  • Alice Coulson: genetic counsellor