Fig. 1From: Clinical application of machine learning models in patients with prostate cancer before prostatectomySchema of prostatectomy typesPeri-prostatic nerves (arrow) near the prostate capsule are not dissected (blue line) and only the prostate and capsule are removed in NSS (nerve-sparing surgery) prostatectomy. In the NNSS (non-nerve-sparing surgery) the peri-prostatic nerves and some extracapsular area are removed (dashed line)Back to article page