Disclaimer
is pocket guide is derived om recommendations in the American Society of Clinical Oncolog y
Guideline. is resource is a practice tool based on ASCO
®
practice guidelines and is not intended
to substitute for the independent professional judgment of the treating physician. Practice guidelines
do not account for individual variation among patients. is pocket guide does not purport to
suggest any particular course of medical treatment. Use of the practice guidelines and this resource
are voluntary. e practice guidelines and additional information are available at www.asco.org/
breast-cancer-guidelines. Copyright © 2021 by American Society of Clinical Oncolog y.
All rights reserved.
Abbreviations
ALND, axillary lymph node dissection; BCT, breast conserving therapy; DCIS, ductal
carcinoma in situ; DFS, disease-free survival; ER, estrogen receptor; Gy, Gray; LRNI, loco-
regional nodal irradiation; NAC, neoadjuvant chemotherapy; OS, overall survival; PMRT,
post-mastectomy radiation; RT, radiation therapy; SLN, sentinel lymph node; SLNB,
sentinel lymph node biopsy; US, ultrasound; WBI, whole-breast irradiation; yrs, years
Source
Brackstone M, Baldassarre FG, Perera FE, et al. Management of the Axilla in Early-Stage
Breast Cancer: Ontario Health (Cancer Care Ontario) and ASCO Guideline.
J Clin Oncol. 2021 July 19. doi: 10.1200/JCO.21.00934
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