When an infection occurs somewhere in the body, the lymph nodes in that area fill with white blood cells. The white blood cells then start to destroy the pathogens responsible for the infection.

What Is Chronic Lymphocytic Leukemia? Chronic lymphocytic leukemia (CLL) is a cancer that affects a type of white blood cell called lymphocytes. Lymphocytes help your body fight infection.

Lymphocytosis occurs when a person has too many lymphocytes, a type of white blood cell. Symptoms include swollen lymph nodes. It can indicate an underlying health problem, such as an infection ...

A new study reveals blood tests can predict melanoma recurrence by detecting circulating tumor DNA. Research shows 80% of stage 3 melanoma patients with positive tests experience a return of cancer.

Imagine this scenario: you need an urgent blood transfusion, and your brother is present. Thinking it’s safest, you use his ...

The risk calculator shows improved precision in a population larger than the original dataset used to validate the tool.

During this test, a doctor removes a sample of your lymph node and checks it for cancer cells. You might also need blood tests and imaging tests. Though diagnosing lymphoma takes time, it’s an ...

Lymph nodes are part of your lymphatic system ... The term leukemia is used to describe multiple types of blood cancer that occur when white blood cells in the bone marrow grow out of control.

Metastases through the lymph channels are called lymphatic metastases, while those through the bloodstream are hematogenous, or blood-borne metastases. According to the American Cancer Society ...