Omission of axillary surgery in cN0, postmenopausal ER-positive/HER2-negative breast cancer patients undergoing breast-conserving treatment

Yeonjoo Kwon, Jihe Lim, Boram Ha, Sanghwa Kim, Jung Ho Park, Young Ah Lim, Hee-Joon Kang, Doyil Kim, Janghee Lee