Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education);
Department of Breast Oncology;
Peking University Cancer Hospital and Institute;
Beijing;
China;
Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education);
Department of Ultrasound;
Peking University Cancer Hospital and Institute;
Beijing;
China;
Breast; Cancer; Receptor; Conversion; Estrogen; Receptor; Progesterone; Receptor; HER2;