The nodule is a small mass of tissue that forms in or on the body, usually in response to injury. The nodules are usually difficult and can be easily estimated. For most nodules are benign and require no medical intervention, but sometimes they can interfere with body function, or may be malignant. For this reason, people should consult a doctor if you notice a lump, so the doctor can determine if the nodule is addressed.The term "node" comes from a Latin word meaning "knot." These groups usually benign tissue often feel like the type of nodes, and in some cases, may resort to surrounding tissues in the region to make you feel tight or damage. In many cases, the nodules inside the body was discovered by chance in connection with the verification of a patient to treat other problems, such as growth in the body needs time to become visible or palpable.