The popliteal lymph nodes lie in the tissues behind a person’s knee. Infections and autoimmune conditions can cause them to swell. It is rare for cancer to affect the popliteal lymph nodes. According ...
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 ...
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.