If you are experiencing any problems or concerns with your health or wellbeing you should contact a healthcare professional. This could be your GP, nurse or cancer support worker. They can support you to get the help that you need.
You can search for support services in your area at https://www.cancercaremap.org/
There are also many cancer charities that can help to support you. Here are just a couple examples:
Macmillan Cancer Support – https://www.macmillan.org.uk/
Cancer Research UK – https://www.cancerresearchuk.org/