668 A toolkit for the quantitative analysis of the spatial distribution of cells of the tumor immune microenvironment oleh Shahneen Sandhu, Angela Pizzolla, Simon Keam, Nikolce Kocovski, Anna Trigos, Tianpei Yang, Yuzhou Feng, Volkan Ozcoban, Maria Doyle, Anu Pasam, Yu-Kuan Huang, Greg Bass, Terrence Speed, David Goode