Consenting to treatment

The doctors, nurses or therapists at the Royal Marsden will ask you to agree to any form of examination, treatment or care. This is generally referred to as 'giving your consent'.

It is important that you feel you have been given enough information before you agree to particular aspects of treatment or procedures. You are always free to say no or to ask for more information.

There are different ways in which you can give your consent. This could be simply offering up your arm when a nurse asks to take your blood pressure. By offering your arm you are giving implied consent without actually saying anything in words. Sometimes you will be asked to give your spoken consent. In certain circumstances, you will also be asked to sign a consent form and given a copy of it.

Giving your consent


The health professional must explain the risks and benefits of the treatment or examination, any available alternative procedures and the risks and benefits if you choose to do nothing for the time being. You may also be given some written information about the procedure that has been planned for you. It is important that you understand the information you have been given – ask questions if you don’t understand or if you want more information. If the person asking for your consent isn’t able to answer your questions, ask them to find out or arrange for someone else to talk to you about your concerns.

When consenting to treatment, you will usually be asked to sign a consent form - a written record that you have agreed to the planned treatment. The main benefits and risks associated with the treatment will be written on the consent form before you sign it. You will be given a copy of this document.

Your treatment plan may involve one or more treatments, for example, surgery and/or chemotherapy and/or radiotherapy. You will be asked to sign consent forms for each treatment. Before each treatment starts, you will be asked to confirm that you agree to treatment.

What if I change my mind?


It is important to remember that once you have made a decision about treatment, you can change your mind at any time, even after you have signed a consent form.

If you agree to take part in a research project or clinical trial, you will also be given written information and asked to sign a consent form. Again, you can withdraw your consent at any time.

Can anyone else give their consent to my treatment?


You are the only person who can give consent; no one else can do this for you.


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