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What is mammography screening?

Added: 25 October 2026

Screening mammography uses low-dose X-rays to examine breast tissue in people without symptoms.

Symptoms, causes and assessment

Screening can detect some cancers early but also has false alarms, follow-up testing and overdiagnosis concerns. Starting age and interval depend on individual risk and current national guidance.

Care and when to seek help

A new lump, bloody nipple discharge or marked skin change needs diagnostic assessment without waiting for screening. Interpret results alongside previous images and clinical findings.

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Revision history

25 October 2026 — Article added.