@broderbund1 Those are the % of core that was cancerous, not % that was type 4; Gleason rules require at least 5% to count as a separate type so a 3+4 could be 95% 3 and 5% 4 up to 55% 3 and 45% 4. With 3+3 the % are the same since at least 96% was type 3. The less type 4 the better for AS.