n. a group of pathological conditions characterized by the abnormal growth of cells. Locally, this abnormal mass may develop into a malignant tumor known as a neoplasm. It invades neighboring tissues and spreads to other organs via the bloodstream in a process called metastasis.

CANCER: "A carcinoma is a cancer involving the epithelial cells of organs such as the skin, breast, uterus, and stomach."
Cite this page: N., Pam M.S., "CANCER," in, April 7, 2013, (accessed April 8, 2020).