You might not have got a perfect A+ grade, but you're certainly solid in the A or A- grade range, something I'd be quite happy about
and proudly hang on my fridge (if it were me
). It sounds like you're doing well based on only mild inflammation seen in that patch and such low crp. I'd stay the course for a while and you may continue healing over a little more time. If you feel moving the infusion up is needed than I wouldn't hesitate (wait and see on your symptoms over the coming weeks).