Recurrent herniation is unlikely due to the lack of severity of your symptoms. You might have a seroma (a collection of fluid that acts as a mass). Give it some time to resolve but if the symptoms are disagreeable, you can ask your surgeon for an oral steroid which can be quite helpful.
Donald Corenman, MD, DC is a highly-regarded spine surgeon, considered an expert in the area of neck and back pain. Trained as both a Medical Doctor and Doctor of Chiropractic, Dr. Corenman earned academic appointments as Clinical Assistant Professor and Assistant Professor of Orthopaedic Surgery at the University of Colorado Health Sciences Center, and his research on spine surgery and rehabilitation has resulted in the publication of multiple peer-reviewed articles and two books.