originally just meant "swelling", but the term is very often used to denote abnormal (malignant or benign) growth of tissue.
) invade and destroy neighboring tissues and can become metastatic
. Benign tumors
do not invade neighboring tissues and do not seed metastases, but may locally grow to great size.
- See also : Apoptosis -- Oncogene -- Tumor suppressor gene -- Carcinoma -- Sarcoma -- Lymphoma -- Leukemia