作者单位:Peking Union Med Coll Hosp, Dept Breast Surg, Beijing 100032, Peoples R China[1]Capital Med Univ, Beijing Tongren Hosp, Dept Hematol, Beijing 100730, Peoples R China[2]Capital Med Univ, Beijing Tongren Hosp, Dept Otolaryngol Head & Neck Surg, Beijing 100730, Peoples[3]