Cancers Cancers A clinically significant prostate cancer predictive model using digital rectal examination prostate volume category to stratify initial prostate cancer suspicion and reduce magnetic resonance imaging demand Morote Juan Borque Fernando Ángel Universidad de Zaragoza Triquell Marina Campistol Miriam Celma Anna Regis Lucas Abascal José M. Servian Pol Planas Jacques Mendez Olga Esteban Luis M. Trilla Enrique 2022 research-article