External validation of the updated briganti nomogram to predict lymph node invasion in prostate cancer patients undergoing extended lymph node dissection
The Prostate, 07/25/2012
Hansen J et al. – The authors report the external validation of an updated lymph node invasion nomogram, demonstrating accuracy and applicability in a different European cohort. A nomogram–derived cut–off of 4% confirmed good performance characteristics within a different external validation cohort.