One of the lymph nodes on the right side of my neck has been enlarged for the last two to three months. It is about the size of a small pea and feels fairly firm to the touch. I've no other ...

Lymph nodes are small glands that filter lymph, the clear fluid that circulates through the lymphatic system. During an infection, they accumulate bacteria or dead or diseased cells and may swell.

Armpit pain can be caused by many issues, from muscle strains to swollen lymph nodes. Here are possible causes of underarm ...