A lump behind the ear can have many possible causes. The most common include swollen lymph nodes caused by an uncomplicated infection. These lumps are typically harmless and relatively easy to treat.

Armpit pain can have many causes, ranging from injuries and irritants to infections that cause swollen lymph nodes. Less commonly, the pain—referred to as axillary pain—may be due to an autoimmune or ...

Allergy symptoms may include a runny nose, congestion, coughing, wheezing, itching, and sometimes, swollen lymph nodes. Lymph nodes are small, bean-shaped organs that help remove harmful ...

Physical examination showed that the bilateral supraclavicular lymph nodes were enlarged ... left upper mediastinum, left cervical III and V regions, left peri-clavicular and bilateral diaphragmatic ...

When the body fights an infection or injury, lymph nodes sometimes swell. Doctors call this a reactive lymph node. Treatment can depend on the cause. Lymph nodes house white blood cells.

The following is a summary of “Mediastinal staging lymph node probability map in non-small cell lung cancer,” published in the March 2025 issue of Respiratory Research by Bordas-Martinez et al.

The PET-FDG showed an increased uptake value in the nodule (SUVmax 10.96) and the bilateral hilar and mediastinal lymph nodes. The patient underwent EBUS, which was negative on the subcarinal and ...

Researchers have developed lab-generated lymph node–like organoids that, when transplanted into mice in place of lymph nodes that have been removed, drain fluid and connect to the animals’ original ...