bayesftw

Really? I haven't left Chicago for the last year and the event is scheduled for the one day I go out of town. Talk about bad luck.

Not the OP, but a pathologist in training. Yes, quality is essential because depending on how the sample is prepared the image can be very difficult to interpret. Biopsy scoring of prostate tumors is difficult because a lot of the scoring takes into account features that may not appear on the biopsy because of insufficient sampling.