Understanding Sinusitis defines various sinus disorders, including pain, inflammations, and nasal polyps. Included is cosmetic surgical procedure for correction of deviated septum. Differences between rhinitis and different classifications of sinusitis are explained. The main image diagrams a comparison of normal and sinusitis cavities, superimposed on a human face. You can order extra frames if required. May require extra time for manufacturing more than a few frames.
Note: Two inches larger than standard posters