Prostate cancer prostatic dis. Prostate cancer prostatic dis. Role of the 4Kscore test as a predictor of reclassification in prostate cancer active surveillance Borque-Fernando Á. Universidad de Zaragoza Rubio-Briones J. Esteban L.M. Dong Y. Calatrava A. Gómez-Ferrer Á. Gómez-Gómez E. Gil Fabra J.M. Universidad de Zaragoza Rodríguez-García N. López González P.Á. García-Rodríguez J. Rodrigo-Aliaga M. Herrera-Imbroda B. Soto-Villalba J. Martínez-Breijo S. Hernández-Cañas V. Soto-Poveda A.M. Sánchez-Rodríguez C. Carrillo-George C. Hernández-Martínez Y.E. Okrongly D. 2018 research-article