Lymph nodes are clustered throughout the body in key locations. These include the armpits, neck, groin, upper abdomen, and mediastinum (the area between the lungs that contains all the principal ...

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.

You might have surgery to remove lymph nodes in your tummy (abdomen). These are called the retroperitoneal lymph nodes. This operation is called a retroperitoneal lymph node dissection. This is a ...