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Axillary lymph nodes - OBGYN Associates

Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.

Axillary lymph nodes

Cluster of axillary lymph nodes in underarm area and upper part of breast, showing an area of cancer in breast.

The lymph nodes in your underarm area are called axillary lymph nodes. They play an important role in the diagnosis and treatment of breast cancer. You have lymph nodes throughout your body. When cancer cells reach the lymph nodes, the cancer can spread to other parts of your body more easily. By looking at some of these lymph nodes under a microscope (biopsy), your doctor can see if your breast cancer has spread to them.

A sentinel node biopsy is surgery that removes the first one or two lymph nodes that cancer would travel to from the breast. An axillary lymph node dissection is surgery that removes usually 10 to 20 nodes.

Current as of: September 25, 2023

Author: Ignite Healthwise, LLC Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

Current as of: September 25, 2023

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.