Lymph nodes are located at the junction of lymphatic vessels in the body. Lymphatic vessels transport fluid containing antigenic material, dendritic cells (DCs), and inflammatory biochemicals from ...

For the first time in decades, researchers have identified a new 'micro-organ' within the immune system -- and they say it's an important step towards understanding how to make better vaccines. For ...

A newly described stage of a lymph node-like structure seen in liver tumors after presurgical immunotherapy may be vital to successfully treating patients with hepatocellular carcinoma, according to a ...

Tumors, such as melanoma, release nanovesicles called exosomes (gray) that travel and lodge in the lymph nodes. There they corrupt the behavior of lymph cells. The lymphatic vessels (green) branch out ...

The rising incidence of cancer worldwide has led to an increasing number of surgeries that involve the removal of lymph nodes. Although these procedures play a major role in cancer staging and ...

Lymph nodes can contain large numbers of tuberculosis-causing bacteria and serve as long-term reservoirs of bacterial persistence, according to a study published November 1 in the open-access journal ...

Add Yahoo as a preferred source to see more of our stories on Google. palau83/Getty Images A swollen lymph node can be a bit like your body’s version of a red flag: When one of these bean-shaped ...

Are intra-mammary lymph nodes problematic? (i.e., can they become cancerous?) -- R.P. ANSWER: Lymph nodes are normal structures and are not problematic themselves. They often become enlarged when ...

Usually, swollen chest lymph nodes are too deep in the chest for a person to feel them. Any swollen lymph nodes in the chest appear on imaging scans. Swelling can indicate an underlying condition.