mouth appliance

Dear Lord, G is my friend's neighbor. She has 3 more weeks of radiation treatments for her cancer. She has a lot of trouble eating d/t burning pain in her throat from the radiation. She also has to wear a mouth appliance-I'm not sure exactly why-which is very uncomfortable. She's tired...

Dear Lord, G has had about 10 radiation treatments + wants to quit them. I think she is supposed to have 20 more. She has been told to wear some kind of mouth appliance, which must be hugely uncomfortable. I don't know how she can eat--surely she has a lot of pain + perhaps even sores in her...