AB680, AOM, ATP, Azoxymethane, CD39, CD45+, CD45+ tumor-infiltrating lymphocytes, CD73, CD73 ectoenzyme, CD8, CD8+, CD8+ T cells, CRC, DSS, Entpd1, Entpd1-negative T cells, M2 macrophages, Malat1high, Nt5e, PD-1, Pdcd1, Pdcd1-positive T cells, RNA, Single, Sodium, Sulfate, T cell receptor, T cells, TCR, Treg, adenosine, advanced-stage cancer, cancer, colorectal cancer, exhausted T cells, immunosuppressed cells, murine, murine CRC in vivo models, murine PD-1, programmed cell death protein 1, tumor