Metastasis in the nude rat associated with lack of immune response.
D000818:Animals; D000912:Antibodies, Neoplasm / Q000096:biosynthesis; D005354:Fibrosarcoma / Q000276:immunology / Q000556:secondary*; D007109:Immunity; D007136:Immunoglobulins / Q000096:biosynthesis; D009362:Neoplasm Metastasis; D051381:Rats; D012513:Sarcoma, Experimental / Q000556:secondary; D013950:Thymus Gland / Q000502:physiology
D000912:Antibodies, Neoplasm; D007136:Immunoglobulins