Kyoto University - Department of Next-generation Clinical Genomic Medicine, Kyoto University - Department of Breast Surgery, Nagoya University - Department of Breast and Endocrine Surgery, Kyoto University - Department of Breast Surgery, Kyoto University - Center for Genomic Medicine, Kyoto University - Department of Breast Surgery, Kyoto University - Department of Breast Surgery, Kyoto University - Department of Breast Surgery, Kobe City Medical Center General Hospital - Department of Breast Surgery, Hiroshima University - Department of Breast Surgery, University of Tsukuba - Breast and Endocrine Surgery, Chiba Cancer Center - Department of Breast Surgery, Kumamoto University - Department of Breast and Endocrine Surgery, Japanese Foundation for Cancer Research - Department of Breast Surgical Oncology, National Hospital Organization (NHO) - Department of Surgery, Saitama Medical University International Medical Center (SIMC) - Breast Oncology Service, Kyoto University - Department of Biomedical Statistics and Bioinformatics, Japanese Foundation for Cancer Research - Department of Breast Surgical Oncology, Diagnostic Pathology, Kyoto University Hospital, Kyoto University - Center for Genomic Medicine, Kyoto University - Department of Pathology and Tumor Biology and Kyoto University - Department of Breast Surgery