I am a 25 year old female who often has slightly swollen and tender-to-touch lymph nodes in my armpit.  Is this something that I should be concerned about?  How do I know when there is a "lump" I should be worried about and when it is normal body shifts?
Hi, It seems that you might be having enlarged tender axillary lymph nodes giving this problem. This shows that there might be having some infection in surrounding area like hands, some infection following shaving the part. Consult your doctor and get examined and go for treatment of infection if present. Ok and take care.