metastasis

/məˈtæstəsɪs/
noun
  1. The spread of cancer cells from the original tumor to other parts of the body.
    • The doctor explained that metastasis had occurred, and the cancer had reached the patient's lungs.
    • Researchers are studying how to block the metastasis of breast cancer cells.
    • Early detection can help prevent metastasis and improve treatment outcomes.
  2. A secondary tumor that forms as a result of cancer spreading from its original location.
    • Treatment focused on shrinking the primary tumor and removing any metastases.
    • The scan revealed several small metastases in the liver.
    • The patient underwent surgery to remove a metastasis in her spine.
  3. The spread of something harmful or unwanted into new areas (figurative use).
    • The corruption scandal showed a metastasis of unethical behavior throughout the company.
    • The city's crime problem is a metastasis of deeper social issues.
    • We must stop the metastasis of misinformation across social media.
Synonyms
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