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tumor-infiltrating lymphocyte

n :  a T cell that is isolated from a malignant tumor, cultured with interleukin-2, and injected back into the patient as a tumor-killing cell and that has greater cytotoxicity than lymphokine-activated killer cells - called also TIL  .
 
 

 
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Hendry Regional Medical Center (Clewiston, Florida - Hendry County)