Thank you so very much sushdmehta for your reply. I had been constantly refreshing the thread. So this means any bad medical conditions won't affect his ILR application at all. Hopefully he will change his mind now with this information and will go for private treatment urgently. If somebody else ...

I have been reading these forums quietly for a long time now and asking this question on behalf of a friend. This friend of mine whose ILR appointment is due next month has recently got the appointment for an abdomen surgery in December due to long queues in NHS. Doctors don't know what it is ...