1. The significance of intramammary lymph nodes in breast cancer: A systematic review and meta-analysis;Abdullgaffar;Int J Surg Pathol,2012
2. American Joint Committee on Cancer 2017 https://cancerstaging.org/references-tools/deskreferences/Documents/AJCC%20Breast%20Cancer%20Staging%20System.pdf
3. Association of Breast Surgeons 2015 https://associationofbreastsurgery.org.uk/media/1436/management-of-the-malignant-axilla-in-early-breast-cancer.pdf
4. Cancer Research UK 2015 http://www.cancerresearchuk.org/health-professional/cancer-statistics/statistics-by-cancer-type/breast-cancer
5. The axilla