my dad has of course emailed his doctor but just looking for any thoughts/feedback - it has been about two weeks since his treatments stopped and in the past two days he has got several white sores on the floor of his mouth under his tongue and on the inside of his lower lip......

I'm no expert, but I seem to recall my mum having something similar and it turned out to be thrush.

The RT played havoc with the balance of things inside her mouth.

Thanks Winnie, I guess I should havementioned he has had two bouts of thrush and he knows this is something different....hopefully they can look at it later today....