Radiation therapy uses high-energy radiation to shrink tumors and kill cancer cells (1). X-rays, gamma rays, and charged particles are types of radiation used for cancer treatment.
1 Lymph nodes of the armpit and neck may also be involved. 2  Viral infections such as infectious mononucleosis may affect the whole body and cause generalized lymph node swelling in various parts of the body, such as neck, armpit or groin.
Some infections or conditions near the groin may not cause swollen lymph glands, so it's important to see a physician if something seems abnormal for more than a few days. Symptoms of Swollen Lymph Nodes. Symptoms of swollen lymph nodes include pain and tenderness in and around the nodes, and you may have a fever or night sweats. The swelling may make the node the size of a kidney bean or larger. Your swollen lymph nodes may harden and become fixed, depending on the immune response. Swollen lymph nodes throughout your body may indicate a general infection. A blocked lymph node too far under your skin to feel could be the cause of a swollen limb. Diagnosis Swelling of the lymph nodes in the groin could point to a localized infection in that part of the body, such as an abscess, boil or cut on the skin.