cancer

Definition

noun
  • a malignant growth or tumour which develops in tissue and destroys it, which can spread by metastasis to other parts of the body and which cannot be controlled by the body itself
    Examples Cancer cells developed in the lymph. • She has been diagnosed as having lung cancer or as having cancer of the lung.
    (Note For other terms referring to cancer, see words beginning with carcin-.)
COMMENT Cancers can be divided into cancers of the skin (carcinomas) or cancers of connective tissue such as bone or muscle (sarcomas). They have many causes. Many are curable by surgery, by chemotherapy or by radiation, especially if they are detected early.
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