Definition of metastasis
1a : change of position, state, or formb : the spread of a disease-producing agency (such as cancer cells) from the initial or primary site of disease to another part of the body metastasis of breast cancer to bone — Medical Physics; also : the process by which such spreading occurs
2 : a secondary malignant (see malignant 2) tumor resulting from metastasis
metastaticplay \ˌme-tə-ˈsta-tik\ adjective
metastaticallyplay \-ti-k(ə-)lē\ adverb
Recent Examples of metastasis from the Web
That process is known as metastasis — a word synonymous, for anyone who has experience with cancer, with doom.
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Origin and Etymology of metastasis
New Latin, from Late Latin, transition, from Greek, from methistanai to change, from meta- + histanai to set — more at stand
First Known Use: 1663
Medical Definition of metastasis
1a: change of position, state, or formb: the spread of a disease-producing agent (as cancer cells or bacteria) or disease from the initial or primary site of disease to another part of the body The overwhelming concern about prostate cancer is its potential for metastasis—for cells to escape the gland and take root in lymph nodes, bones, lungs, skin, or other tissue.—Tom Alexander, Fortune, 20 Sept. 1993; also : the process by which such spreading occurs
2: a secondary malignant tumor resulting from metastasis … radiation has no known effect on distant metastases from breast cancer …—David Plotkin, The Atlantic Monthly, June 1996
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