Letter regarding Sopik V et al. entitled "Impact of microinvasion on breast cancer mortality in women with ductal carcinoma in situ"

Affiliations

• ¹ Department of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 17 Panjiayuannanli Chaoyang, Beijing, 100021, China.
• ² Department of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 17 Panjiayuannanli Chaoyang, Beijing, 100021, China. fangyi@cicams.ac.cn.
• ³ Department of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 17 Panjiayuannanli Chaoyang, Beijing, 100021, China. wangjing@cicam.ac.cn.