Lymph nodes are small glands that filter lymph, the clear fluid that circulates through the lymphatic system. During an infection, they accumulate bacteria or dead or diseased cells and may swell.

Lung cancer often spreads to the lymph nodes before spreading to other parts of the body. Which groups of lymph nodes are involved, and where these are in relation to the primary (original) tumor, are ...

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.

Cancers of the mouth and oropharynx can spread to lymph nodes in your neck. Your surgeon might remove some or all of the lymph nodes in your neck. Lymph nodes are small bean shaped glands found ...

Lymph nodes are small, bean-shaped structures scattered throughout the body, forming part of the lymphatic system. They act as filters, trapping pathogens, abnormal cells, and debris while housing ...

Cancer of the larynx sometimes spreads to the lymph nodes in the neck. Surgery to remove lymph nodes from your neck is called a neck dissection. When you might have surgery to remove lymph nodes in ...

Hilar and/or paratracheal lymph nodes may be involved. Bronchogenic carcinoma: Unilateral hilar lymphadenopathy is common, with or without paratracheal lymphadenopathy. The appearance of the ...

Intraoperative frozen biopsy and sentinel lymph nodes technique have not shown sufficient accuracy to avoid extended lymphadenectomy, due to the significant rates of skip lymphatic metastasis.

Micrometastases are small collections of cancer cells that have been shed from a cancerous tumor and have spread to another part of the body through the blood or lymph nodes. Micrometastases can then ...

The lymphatic system thus acts as a part of the immune system, supporting these soft tissues and fighting infections. Lymph “nodes” are like subway station stops — hubs where “passengers” like red and ...

Like servers in a traditional financial system, nodes store a complete copy of the Bitcoin blockchain and enforce the network's rules. Nodes form the backbone of Bitcoin's peer-to-peer network by ...