Lymph node metastasis occurs in "metastatic" lymph nodes, lymph nodes that have been infected by cancer from elsewhere in the body. A part of the immune system, lymph nodes are tiny ovals placed ...

Positron emission tomography (PET) is a type of imaging scan that doctors might use when diagnosing and treating non-Hodgkin’s lymphoma (NHL). It can be useful for identifying and staging the cancer.

Mediastinal lymphadenopathy is the swelling of the lymph nodes in the chest cavity. It is a symptom of various conditions and can be benign or malignant. Mediastinal lymphadenopathy is a condition ...