If your doctors tell that you really have your lymph nodes swollen, it may be one of the first signs of lymphoma. Any doctor will explain why lymph nodes have a significant role in the work of human organism. These pieces are all the building elements of one big construction known as a lymphatic system. This system is crucial for several functions.
The primary goal is to clean the lymph liquid and trap various bacteria, without letting them spread throughout the organism. Lymphocytes then destroy harmful bacteria. As far as some of the lymph nodes are placed close to the body surface, people feel when they get larger.