Hi I'm 31 and a few mouths ago got told I have stage 2 breast cancer didn't really no what to do has my sister has not long got over bladder cancer and she her self was only in her 30s iv started my chemotherapy I need 6 and on to my third so will be half way though but what I can't deal with is my sore mouth and lips is there anyone to tell me what is best to use please I can't eat anything thank you x