tumor
/ˈtuːmər/
noun
- An abnormal mass of tissue in the body that grows more quickly than normal cells and serves no useful purpose. Tumors can be benign (not harmful) or malignant (cancerous).
- The doctor found a small tumor in her lung during the X-ray.
- He underwent surgery to remove a tumor from his brain.
- Most tumors in the breast are benign and not life-threatening.
Synonyms