Axillary lymph node dissection Meaning of Axillary lymph node dissection: Surgery to remove lymph nodes found in the armpit region. Also called axillary dissection. Also See: Allopathic Medicine Aldehyde Accolate Anti-HGF monoclonal antibody AMG 102 Acute radiation sickness Akt Anxiolytic agent Folate Ancillary Test Alpha-fetoprotein