The cervical lymph nodes are glands in the human lymphatic system, which is a complicated series of vessels and passageways that bring specialized fluid to the heart and most major organs.The cervical system is located in the neck and is present in people of both genders, adults and children alike.ymphoma. Lymphoma is a type of cancer that affects the lymphatic system. One of the first symptoms is swollen armpit, groin, or cervical lymph nodes. Lymphoma falls into two general categories: Hodgkin's disease and Non-Hodgkin's lymphoma.