title: Four studies support adjuvant treatment of women with node-negative breast cancer.
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use*; D001943:Breast Neoplasms / Q000188:drug therapy*; D003131:Combined Modality Therapy; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D009364:Neoplasm Recurrence, Local; D011960:Receptors, Estrogen / Q000032:analysis
chemical_list: D000970:Antineoplastic Agents; D011960:Receptors, Estrogen