Comment on

• Heterogeneity in D'Amico classification-based low-risk prostate cancer: Differences in upgrading and upstaging according to active surveillance eligibility.

  Schiffmann J, Wenzel P, Salomon G, Budäus L, Schlomm T, Minner S, Wittmer C, Kraft S, Krech T, Steurer S, Sauter G, Beyer B, Boehm K, Tilki D, Michl U, Huland H, Graefen M, Karakiewicz PI. Schiffmann J, et al. Urol Oncol. 2015 Jul;33(7):329.e13-9. doi: 10.1016/j.urolonc.2015.04.004. Epub 2015 May 7. Urol Oncol. 2015. PMID: 25960411