Tumour immunology; escape mechanisms.
D000818:Animals; D001665:Binding Sites; D002286:Carcinoma, Ehrlich Tumor; D006084:Graft Rejection; D006648:Histocompatibility; D006801:Humans; D006824:Hybridization, Genetic; D007108:Immune Tolerance; D007165:Immunosuppression Therapy; D008214:Lymphocytes / Q000276:immunology; D009368:Neoplasm Transplantation; D009369:Neoplasms / Q000276:immunology*; D009858:Oncogenic Viruses