Active surveillance for patients with prostate cancer aged ≥75 years: the Prostate Cancer Research International: Active Surveillance ( <scp>PRIAS)</scp> ‐ <scp>JAPAN</scp> study

In some patients aged ≥75 years an observation-focused management approach may be appropriate, in which AS is initiated as a structured monitoring phase with planned de-intensification and transition to watchful waiting, to prevent overtreatment while maintaining excellent cancer-specific outcomes.