title: From lymph nodes to nicotine: a number of new breast-cancer studies reveal interesting discoveries.
mesh_terms: D044963:Biopsy, Fine-Needle; D001943:Breast Neoplasms / Q000139:chemically induced / Q000235:genetics; D005260:Female; D006801:Humans; D008198:Lymph Nodes / Q000601:surgery; D008327:Mammography / Q000592:standards; D009538:Nicotine / Q000009:adverse effects; D009857:Oncogenes / Q000235:genetics; D012106:Research
chemical_list: D009538:Nicotine