You may see a healthcare provider if you have an unexplained, hard lump in your armpit that's pea-sized or larger and that hurts or occurs with a fever or unexplained weight loss. A lump could be ...

In February 2014, I felt a pea-sized lump in my breast, close to my armpit area. I found it randomly, and I was shy about it at first. I did not know if I should say anything. A month later ...