MP39-17 CD4+CD8+ T CELLS SPECIFICALLY EXPRESSED IN TUMOR MICROENVIRONMENT OF SOME RCC PATIENTS AND BECAME A SIGNIFICANT BETTER PROGNOSTIC FACTOR

INTRODUCTION AND OBJECTIVE:CD4+CD8+ T cells can form during the process of differentiation of CD4+ or CD8+ T cells in normal thymus, and they have been thought to exist only in the thymus and not i...