Definitions for "Axillary dissection"
Surgical excision of the axillary contents (fat and lymph nodes) en bloc with mastectomy or as an independent procedure. The extent of the axillary dissection is further defined in the following way: Level 1 - excision of the axillary contents up to the inferior border of the pectoralis minor muscle. Level 2 - excision of the axillary contents up to the superior border of the pectoralis minor muscle. Level 3 - excision of the axillary contents up to the apex of the axilla.
a surgical procedure in which the lymph nodes in the armpit (axillary nodes) are removed and examined; often used to determine if breast cancer has spread to the axillary nodes.
Pronunciation: (AK-suh-LAIR-ee dis-EK-shun) Surgery to remove lymph nodes found in the armpit region. Also called axillary lymph node dissection. In this procedure, the doctor looks for the presence of breast cancer in the lymph nodes.