Thanks for your swift and comprehensive reply. I think you've confirmed what I was thinking but didn't want to admit to myself, haven't got a clue how I'm going to tell the wife all of this. I'm sure the test will confirm either way, but I don't want Amber to suffer, so I'll make the decision based on feedback fro the vets analysis. Thanks. Steve.
Dear Dr Loretta,
After a couple of further scans which confirmed our worse thoughts, and still under sedation we had to take the hardest decision ever and Amber passed away peacefully on Friday.
Thank you for your kind thoughts and feedback.