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 ...

In aggressive lymphomas, inflammatory messengers reprogram the "conductors" of the immune system, causing lymph nodes structure to collapse. A team led by Simon Haas describes in "Nature Cancer" this ...

In aggressive lymphomas, inflammatory messengers reprogram the “conductors” of the immune system, causing lymph node structure to collapse. A team led by Simon Haas describes in “Nature Cancer” this ...

Lymph nodes are small but mighty parts of your immune system, filtering harmful substances and fighting infections. Swelling can be a sign of anything from a simple cold to serious conditions like ...

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 ...

Lymph nodes are located throughout the body. They are small, bean-shaped glands that play a crucial role in the immune system. During an infection, a person may notice swollen lymph nodes. The body ...

Add Yahoo as a preferred source to see more of our stories on Google. The last time you visited your doctor for a sore throat, they may have felt for potential inflammation in your neck. That’s ...

Structure of a lymph node showing the typical division into different territories for immune cells: B cells are shown in red, T cells in blue, lymphatic vessels in yellow, and stromal cells in cyan.

Axillary lymph node dissection (ALND) is a procedure to remove lymph nodes in the underarm area when breast cancer has spread, aiming to prevent further spread and recurrence. The procedure involves ...