I have some friends due to fly out in around 2 weeks but one of them has just had some tests done and during those tests the doctors punctured her lung (quite common in the procedure).

They have booked a package with Thomson to leave on 11th October but now feel they will not be able to go due to her punctured lung with cabin pressure for 9 hours etc... I am certain they can get a doctors note to state that they can not go but will Thomson use this as the basis to change their holiday? They had not purchased travel insurance as yet as obviously they don't need it until 11th October but will Thomson tell them to claim on travel insurance or will they cover it as it is all happening before the proposed dates (hence not insured now anyway).

We had flights moved a few years ago as my wife would have been 8 months pregnant so Virgin happily changed the flights free of charge once they had the doctors letter stating we could not fly.

Any help or previous experience would be great if anyone can help?

Thanks