I doubt it's linear and I doubt there is a simple equation that will cover all the variables.
Likely the growth is more logarithmic than linear.
I'll be in the shop.
PSA 4.2 10/11, 1.9 6/12, 1.2 12/12, 1.0 5/13
2 out of 14 cores positive
Treatment IGRT - 2/2012My latest blog post