axillary lymphadenopathy axillary lymphadenopathy axillary lymphadenopathy is lymphadenopathy of the axillary lymph nodes. axillary lymphadenopathylymphatics of breast and the axillary glands causes cat scratch fever brucellosis lymphoma rheumatoid arthritis diagnosis to diagnose this condition, scans or other imaging tests are used. enlarged nodes in the vicinity of cancer areas could potentially contain cancer. probable patients are observed for few weeks until the cause of lymphadenopathy becomes obvious and they are instructed to return to the doctor if there is increase in node size. biopsy should be performed in case tests suggest malignancy. treatment