MedicalTerminology DB

Meaning of multifocal breast cancer: Breast cancer in which there is more than one tumor, all of which have arisen from one original tumor.

Definition of multifocal breast cancer

Breast cancer in which there is more than one tumor, all of which have arisen from one original tumor. The tumors are likely to be in the same quadrant (section) of the breast.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.