1 Definition of thymoma

Meaning of thymoma: A tumor of the thymus, an organ that is part of the lymphatic system and is located in the chest, behind the breastbone.

A tumor of the thymus, an organ that is part of the lymphatic system and is located in the chest, behind the breastbone.

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.