[O5] Oral Session 5　乳腺
【E】

[O5-4] HER2 expression and survival outcomes in HER2-low early breast cancer: retrospective multicenter cohort analysis

^○Ryan Ying Cong Tan¹, Whee Sze Ong², Kyung-Hun Lee³, Abner Lim⁴, Makiko Ono⁵, Takayuki Ueno⁶, Yoichi Naito⁷, Tatsuya Onishi⁸, Geok-Hoon Lim^9,10, Su-Ming Tan^10,11, Ching-Hung Lin¹², Yen-Shen Lu¹², Seri Park¹³, Yeon-Hee Park^13,14, Veronique Kiak Mien Tan^10,15,16, Fuh-Yong Wong¹⁷, Seock-Ah Im³, Puay Hoon Tan¹⁸, Jason Yong Sheng Chan¹, Yoon-Sim Yap¹ (1.Division of Medical Oncology, National Cancer Centre Singapore, Singapore, 2.Biostatistics Unit, Clinical Trials & Epidemiological Sciences, National Cancer Centre Singapore, Singapore, 3.Department of Internal Medicine, Seoul National University Hospital, Cancer Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea, 4.Laboratory of Cancer Epigenome, National Cancer Centre Singapore, Singapore, Singapore, 5.Department of Medical Oncology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan, 6.Breast Surgical Oncology, Breast Oncology Center, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan, 7.Department of Breast and Medical Oncology, National Cancer Center Hospital East, Kashiwa, Chiba, Japan, 8.Department of Breast Surgery, National Cancer Center Hospital East, Kashiwa, Chiba, Japan, 9.Breast Department, KK Women's and Children's Hospital, Singapore, 10.SingHealth Duke-NUS Breast Centre, Singapore, 11.Division of Breast Surgery, Department of General Surgery, Changi General Hospital, Singapore, 12.Department of Oncology, National Taiwan University Hospital, Taipei, Taiwan, 13.Samsung Biomedical Research Institute, Samsung Medical Center, Sungkyunkwan University, School of Medicine, Seoul, Republic of South Korea, 14.Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea, 15.Division of Surgical Oncology, National Cancer Centre Singapore, Singapore, 16.Department of Breast Surgery, Singapore General Hospital, Singapore, 17.Division of Radiation Oncology, National Cancer Centre Singapore, Singapore, 18.Division of Pathology, Singapore General Hospital, Singapore)