Medically reviewed by Marla Anderson, MD Cysts (fluid-filled tissue pockets), infections, and swollen lymph nodes commonly ...

Armpit pain is a common complaint that can have many causes, from mild muscle injuries to swollen lymph nodes and severe skin infections. In most cases, armpit pain isn't a reason to worry ...

A new bimodal model using CEUS images improves early detection of lymph node metastasis in breast cancer patients.

There are around 600 lymph nodes located throughout the body, many of which are clustered in the armpit, groin, and neck. They vary in size from a few millimeters to up to 1.5 centimeters in diameter.

Pain under the left armpit may result from muscle damage or swollen lymph nodes due to an infection. However, it can also indicate a more serious problem, such as cancer or angina. The armpit is a ...