Number 53 yesterday.
I'd checked on the blood.co.uk website and the helpline that I was OK to donate after a biopsy had revealed only benign changes. At the screening blood drop was fine and the carer referred me to nurse Tereza. I showed her the letter from the urologist, and she noted the final sentence which mentioned that they would keep monitoring me and I should have a blood test in 6 month's time. In other words I hadn't been completely signed off, and if I hadn't been signed off I couldn't donate. Anyway, she decided to consult someone higher up by phone, and after a lengthy discussion she was given the go-ahead. You have to wait 4 months after a flexible colonoscopy or endoscopy, so I had to assure them that there's nothing flexible involved in a transperineal biopsy - just complete removal of one's dignity.
Everything then went smoothly, the bag was filled very quickly and I was soon into the squash and biscuits, and despite the lengthy consultation I was in and out in about 50 minutes total (it was one of the first slots after lunch, so no sitting about before starting).
I cycled home OK (12 km or so) but was very tired when I got home and had an early night.