title: Nutrition and cancer. 1. Problems due directly to tumors and associated diseases.
mesh_terms: D000818:Animals; D006801:Humans; D009369:Neoplasms / Q000150:complications* / Q000378:metabolism / Q000628:therapy; D009584:Nitrogen / Q000378:metabolism; D009748:Nutrition Disorders / Q000209:etiology*; D010288:Parenteral Nutrition
chemical_list: D009584:Nitrogen