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 ...

A schoolgirl sent home with antibiotics by a dentist when a pea-sized lump appeared in her cheek watched in shock as the mass grew to the size of a “tennis ball” and resulted in a rare cancer ...