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Medical Dictionary

malignant

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adjective ma·lig·nant \mə-ˈlig-nənt\

Medical Definition of malignant

  1. 1:  tending to produce death or deterioration <malignant malaria>; especially :  tending to infiltrate, metastasize, and terminate fatally <malignant tumors>—compare benign 1

  2. 2:  of unfavorable prognosis :  not responding favorably to treatment <psychotic reactions with a malignant trend>





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