Atypical lymphocytes are types of white blood cells that a person’s immune system produces. They help fight infections and diseases. High levels of atypical lymphocytes may indicate health issues.

The lymph nodes in your neck and other parts of your body can be swollen for years, but this does not always mean it is a sign of cancer. You might have a common cold, throat infection, or another ...

Swollen supraclavicular lymph nodes may occur as a reaction to infection or due to metastatic cancer. This type of swelling typically occurs just above a person’s collarbone. Lymph nodes are part of ...