brain tumours

Hi 

hope everyone is doing ok and staying strong 

I've recently found out of my doctor that a 2nd  brain tumour has been found and they need to do something about it. I had my 1st one removed about 4years ago via surgery but they have said this time radiotherapy may be a option but I'm really worried about this given the possible side effects. I also have lymphoma which is unrelated to the tumours which I am on watch and wait for. Looking to speak to anyone who may have had radiotherapy to the head 

x