Medically reviewed by Jane Kim, MD You may have swollen armpit lumps due to infections, cysts, or vaccines.In severe cases, ...

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 ...

Although these types of tumors commonly affect regular breast tissue, they are rarely found in extra, or "accessory," breasts. When you purchase through links on our site, we may earn an affiliate ...