title: Why tumors grow more slowly in old people.
mesh_terms: D000375:Aging; D000818:Animals; D000936:Antigen-Antibody Complex / Q000276:immunology; D000951:Antigens, Neoplasm / Q000276:immunology; D006801:Humans; D008222:Lymphokines / Q000276:immunology; D009369:Neoplasms / Q000276:immunology / Q000473:pathology*; D009374:Neoplasms, Experimental / Q000276:immunology / Q000473:pathology; D050378:T-Lymphocytes, Regulatory / Q000276:immunology
chemical_list: D000936:Antigen-Antibody Complex; D000951:Antigens, Neoplasm; D008222:Lymphokines