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.
Inguinal (Groin) Lymph Nodes. Inguinal lymph nodes are more commonly known as groin nodes (glands). A significant issue during any swelling, due to the location, both men and women (especially men) avoid having these nodes checked by their health care professional.