Immune cell profiling in tumor infiltrating leukocyte (TIL) and other tissues (spleen, blood, lymph node, liver, etc.) profiling: (1) Immune cell population analysis (T, B, NK, DC, Myeloid, Macrophage, Granulocyte, CD4+T, CD8+T, Treg, Th1/2/17, naïve/memory/effector T, g/mMDSC, M1/M2, etc.) (2) Functional and intracellular marker analysis (PD-1, PD-L1/2, CTLA-4, TIM-3, LAG-3, OX40, 4-1BB, ICOS, Ki-67, IL-2, IL-17, IFNγ, TNFα, Granzyme B, etc.)