Lymph nodes are part of the body's immune system, acting as a filter to remove potentially harmful substances from the body. Swollen lymph nodes in the armpit can be a sign of infection or injury. In particular, axillary hair removal with swollen lymph nodes is a risk factor for local infection, should not be subjective and ignore other causes of lymphadenopathy.

Breast cancer is the most common and leading cause of death in women, so screening and early detection are extremely important. Early stage breast cancer is still curable with the most effective treatment.