Meaning of mantle field: The area of the neck, chest, and lymph nodes in the armpit that are exposed to radiation.

Definition of mantle field

The area of the neck, chest, and lymph nodes in the armpit that are exposed to radiation.

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.