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ma·lig·nant

adj 1  :  tending to produce death or deterioration < malaria>  : esp  :  tending to infiltrate, metastasize, and terminate fatally < tumors>  - compare BENIGN1    2  :  of unfavorable prognosis  :  not responding favorably to treatment <psychotic reactions with a trend>  .
 
 

 
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Rangely District Hospital (Rangely, Colorado - Rio Blanco County)