If а pаtient undergоes а surgical remоval оf a lymph node, the procedure would be documented as a(n) `Lymphadenectomy`. The (also known as the "adenoids" when enlarged) are located in the nasopharynx and help protect the body from pathogens. Lymph fluid is filtered through small, bean-shaped structures called , which contain high concentrations of specialized white blood cells. If a patient undergoes a surgical removal of a lymph node, the procedure would be documented as a(n) . When the lymphatic system fails to properly drain fluid from the tissues, the resulting swelling is clinically referred to as .