For instance, people with breast cancer will typically get swollen lymph nodes in the adjacent armpit, while people with lung cancer will typically experience lymphadenopathy in the chest cavity.

They're located throughout the body in the armpits (called axillary lymph nodes), the groin, neck and chest. The nodes can become swollen and painful, usually when the body is fighting off infections.

They're located throughout the body in the armpits (called axillary lymph nodes), the groin, neck and chest. The nodes can become swollen and painful, usually when the body is fighting off infections.