Hi Brenda-
I'm confused, do you still have a general oncologist who you would see about the lung tumors every couple of months or so? Is that someone you could ask to send you to someone to do something about the jaw pain? Just seems like there should be one person coordinating all cancer related care. Maybe that's different in the UK though.
When I aksed my doctor if they'd keep scanning my head/neck to see if the original tumor grew back they said no, becuase they wouldn't do anything to treat it anyway, unless it was SUPER bad and warranted a surgery to keep me comfortable.
It does seem worthwhile though to follow up and see if you can get your jaw as pain free as possible.
Hopefully this is just temporary, I know you are looking forward to your trip!
Melissa