KRAS and neoplasm: To confirm the effect of CD4 depletion on CD103+ CD8 T cell formation across a range of GEMM-derived tumor models, we tested the effect of CD4 depletion in a total of four different PK5L cell lines derived from Pdx-Cre+/− Kras(G12D)+/− Trp53(R172H)+/− Luciferase-SIY+ mice.