Reconsidering the Interpretation of “Recurrence-Free Survival” After Mastectomy for DCIS. Comment on Sae-sim et al. Tamoxifen Reduces Breast Cancer Recurrence in Women with DCIS Who Underwent Mastectomy. Curr. Oncol. 2026, 33, 89

Key Points

• The commentary assesses the interpretation of recurrence-free survival in the context of tamoxifen use for women with DCIS post-mastectomy.
• Review of Sae-sim et al.'s findings on tamoxifen's effects.
• Analysis of recurrence rates in relation to treatment protocols.
• Discussion of clinical implications for patient management.
• Tamoxifen is found to significantly reduce breast cancer recurrence in women with DCIS.
• The interpretation of recurrence-free survival metrics requires careful reconsideration.
• Findings suggest an enhancement of treatment strategies for patients post-mastectomy.