CTLA4 and neoplasm: Bcl‐2, CD25, CD127, EpCAM, ER, HER2, Ki‐67, NY‐ESO‐1, and PanCk were all significantly higher in the tumor compartment, whereas β2‐microglobulin, CD11c, CD14, CD3, CD4, CD8, CD34, CD40, CD45, CD45RO, CD56, CD68, CTLA‐4, FAPα, fibronectin, GZMB, HLA‐DR, OX40L, S100B, SMA, STING, and Tim‐3 were higher in the stromal compartment (Table 2).