MedicalTerminology DB

Meaning of AT/RT: An aggressive cancer of the central nervous system, kidney, or liver that occurs in very young children.

Definition of AT/RT

An aggressive cancer of the central nervous system, kidney, or liver that occurs in very young children. Also called ATT/RHT and atypical teratoid/rhabdoid tumor.

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.