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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



Iressa  listen  (i-REH-suh)

  A drug that is used to treat certain types of non-small cell lung cancer and is being studied in the treatment of other types of cancer. It is a type of epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor. Also called gefitinib and ZD1839.

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