Prof. Rajab Ahmed AlZahrani is a Consultant, Neck Surgical Oncology and Neck Endocrinology, Thyroid and Para Thyroid Surgeon with 18 years of experience in the field of ENT, Prof. Alzahrani specializes in performing Head and Neck Surgery, Thyroidectomy, Parathyroid Surgery, Sleep Surgery, Endoscopic Surgery, and Sialendoscopy: