title: Cancer and host defense mechanisms.
mesh_terms: D000917:Antibody Formation; D006801:Humans; D007109:Immunity; D007153:Immunologic Deficiency Syndromes; D007165:Immunosuppression Therapy; D009369:Neoplasms / Q000188:drug therapy / Q000276:immunology*; D011379:Prognosis; D013601:T-Lymphocytes / Q000276:immunology