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 almost all solid tumors—i.e. cancers with a solid tissue structure—the detection of tumor cells in the lymph nodes is considered a decisive marker for the progression of the disease. Lymph node ...

If you've been hopping between arms for booster shots, a new study suggests that your lymph nodes remember exactly where you first got jabbed and perform far better when you return to that same arm.

Structure of a lymph node (IMAGE) Centro Nacional de Investigaciones Oncológicas (CNIO) Caption Structure of a lymph node whose endothelial cells (green) are capturing the nanovesicles called exosomes ...