Gutted! I posted the other week about how my 14 year old cat, had suddenly lost lots of weight and it seemed it may just be a thyroid problem.
Confirmed today it's cancer, kidneys, intestines and probably stomach too 
, rapid heart and very anaemic. I was given two options, palliative injections or pts there and then.
Totally wasn't prepared for that, so went with the first option, on the understanding that we would be seen immediately if he deteriorates at all to be pts. The vet said to be very careful not to extend things too much, otherwise he may have an unpleasant death.
So now I'm thinking maybe book him in for next Friday, it just feels so cold and calculated. Worrying I should have let them do it today, but he had a lovely morning sunbathing and even chased a fly, eating lots (although I understand to feed the tumours), it felt wrong to cut his life off today.
I don't want him to suffer, but for today anyway he doesn't seem to be.
Can't even begin to imagine the hell of taking him in and leaving without him, he really has been through thick and thin with me.
Sorry for the waffling.