Cancer & Oncology

Tumour

Also called: Tumor

What does Tumour mean?

An abnormal mass of tissue caused by excessive or abnormal cell growth. A tumour can be benign or malignant.

U.S. National Library of Medicine
Understanding Medical Words ↗ National Cancer Institute
Cancer Terms Dictionary ↗ CDC
Vaccine Glossary ↗

This is a plain-language Healthway explanation, not an individual diagnosis. The meaning of a term can change with the clinical context in which it appears.