Medically reviewed by Doru Paul, MD Key Takeaways An armpit lump, also called axillary lump, can be a symptom of breast cancer.A healthcare provider should check any hard armpit lump that doesn't ...

A musician thought an unusual bump on her chest had been caused by playing the bagpipes - but it turned out to be breast cancer. Although Julie Brinklow had noticed the odd bulge she was not concerned ...