PTPRC and neoplasm: Recruitment of tumor infiltration lymphocytes (TILs) is associated with better clinical outcomes in many tumors.[18] We further examined the immune microenvironment of the tumors after the combination therapy, the numbers of CD45+ lymphocytes, CD4+ T cells, and CD8+ T cells were significantly increased inside the tumors (Figure 5e,f; Figure S25, Supporting Information).