CD274 and neoplasm: Figure 3 shows the changes in total tumor volume and composition on Day 25 and Day 150 for varying \documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$p_1, p_2$$\end{document}p1,p2 combinations when the PD-1/PD-L1 checkpoint is active or completely blocked.