These lumps are lymph nodes or glands that are located all over the body, including behind the ears, and contain immune cells that help fight infection. Army reveals the real cost of Trump’s ...

While a lymph node in the neck is usually the size of a split pea, it can swell to be 1 inch in diameter or larger. If this occurs, you should see a doctor within 24 hours. If a lymph node swells ...

In January, Makaila Chenier, 17, found a lump in her neck. “I thought it was a swollen lymph node,” Makaila, of Houston, tells TODAY.com. “It got progressively bigger and then I had trouble ...

Makaila Chenier, 17, found a lump in her neck. As it grew it became more difficult for her to breathe when she'd lie down. Doctors discovered it was lymphoma.