Dr. Erhan Ayşan, a renowned General Surgeon based in Istanbul, Turkey, is highly regarded for his extensive expertise in the field. With an impressive 27 years of experience. He completed his medical education at Istanbul University, Cerrahpasa Faculty of Medicine in 1994, followed by specialization in 1999 and an associate professorship in 2006 at SB Istanbul Training and Research Hospital. Dr. Ayşan’s areas of specialization include general surgery, as well as endocrine surgery focusing on goiter, thyroid, and parathyroid conditions. He has a special interest in various procedures such as Thyroid (Goiter) Surgery, Parathyroid Surgery and Transplant, Thyroid Radiofrequency (RF) Ablation, and Adrenal Gland Surgery. He has established himself as a leading professional in the medical community. Dr. Ayşan is affiliated with Yeditepe University Healthcare Institutions in Istanbul, where he holds the position of Professor.