Cysts are small sacs filled with fluid, air or skin cells that can pop up just about anywhere.

You may have swollen armpit lumps due to infections, cysts, or vaccines. In severe cases, some armpit lumps could be a sign ...

Most armpit lumps aren’t cause for concern. They’re usually the result of abnormal tissue growth. But some instances can be a symptom of an underlying condition, like breast cancer, that needs medical ...

Pain in your breast and armpit can happen due to hormonal changes (like before your period, during pregnancy, or menopause), an ill-fitting bra, muscle strain, or mastitis, which is inflammation of ...