Brief About Prof. Dr. Sertaç YetişerProf. Dr. Sertaç Yetişer is a highly esteemed ENT surgeon with over 30 years of experience. He specializes in the treatment of various conditions such as Sinusitis, Tinnitus, Nasal Airway Obstruction, Tonsillitis, and Nasal Valve Insufficiency. Additionally, he is well-versed in performing Rhinoplasty (Aesthetic Nose Surgery), treating Sore throat, cholesteatoma, Coanal Atresia (Congenital Nose Congestion), adenoidectomy, Otosclerosis surgery, Adenoid surgery, laryngectomy, and Voice surgery (phono surgery). Dr. Yetişer has made significant contributions to the field through his publications in both international and national journals, and he has actively participated in numerous seminars. His special interests lie in the areas of Sinusitis, Tinnitus, Nasal Airway Obstruction, Tonsillitis, Nasal Valve Insufficiency, Rhinoplasty, Sore throat, cholesteatoma, Coanal Atresia, adenoidectomy, Otosclerosis surgery, Adenoid surgery, laryngectomy, and Voice surgery.