Well, I'm back home after my adventure.
Confronted by a female doctor I'd never seen before in our practice. Not a good start I thought, but not a bit of it. She was ace with everything first of all asking me what I know about the issue, then explaining what the stages are going forward. Blood test, then seeing GP with a possible digital exam if necessary then biopsy as the worst scenario. Then out of the blue she said she could do the rectal exam there and then. So it's done. The slightest of discomfort thats all. Told no sign of abnormalities just slightly enlarged. I'll take that.
So to anyone dithering wondering whether to do similar, get it done!