CD8A and neoplasm: The efflux rate of effector CD8 + T cells from the tumor to blood is \documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$a_{32}\cdot T_{E3}\cdot \frac {C_{MHCI^{-}}}{\epsilon +C(t)}$\end{document}a32·TE3·CMHCI−ε+C(t).