It's a ~week on now.
looking at diagrams the impact on my left knee, was probably below the patella, to the left (inside) of the patella ligament (but probably on 'next to' ligaments), on the head of the tibia.
Things I notice about the knee:
Swelling mostly gone. No pain, bit of an ache at times, doesn't feel '100%' when I walk = slight limp.
Still slightly different in profile to my right knee, around impact site.
I find it difficult to squat easily - so that calf presses on back of leg (which I can normally do)
Some 'clicks' if I bend and extend lower leg, but not every time.
Given my finger still has restricted movement, perhaps it's so far so good with the knee...
Just trying some quad tightening, sitting and extending leg exercises...
Probably should try a couple of miles tester ride.