Low heterogeneity of tumor grades in multiple MRI-targeted prostate biopsies argues for the aggregate method of grading. - Hommerding O; Rejai FS; Scherping A; Kreft T; Sanders C; Ohlmann CH; Ellinger J; Krausewitz P; Hauser S; Ritter M; Luetkens JA; Bernhardt M; et al. (Virchows Archiv : an international journal of pathology, 2026)