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 ...

Right-sided pain under the armpit may be due to muscle strain, infections, or skin conditions. Sometimes, armpit pain may indicate a more serious issue, such as cancer or a heart issue. The armpit ...

Targeted axillary dissection (TAD) is a relatively new breast cancer procedure. It allows surgical oncologists to specifically locate a lymph node that contained cancer before chemotherapy, remove it ...

Armpit pain is a common complaint that can have many causes, from mild muscle injuries to swollen lymph nodes and severe skin infections. In most cases, armpit pain isn't a reason to worry, but it can ...

Cysts (fluid-filled tissue pockets), infections, and swollen lymph nodes commonly cause armpit lumps. You may see a ...