Prof. Dr. Necati Özen

Clinical Interests

• Breast cancer and breast surgery; oncologic surgery; thyroid surgery; gastric cancer and colorectal cancer surgery.

Education and Specialization

• Atatürk University Faculty of Medicine (1971–1977) — MD; Ondokuz Mayıs University Faculty of Medicine (1978–1982) — General Surgery Specialization; OMU Faculty of Medicine — Assistant Professor in 1987, Associate Professor in 1991, Professor in 1997.

Experience

• 1978–1982 Ondokuz Mayıs University
• 1982–1983 Hakkari State Hospital
• 1983–1984 Sarıkamış Military Hospital
• 1984–1987 Ankara Çubuk State Hospital
• 1987–2020 Ondokuz Mayıs University Faculty of Medicine

Professional Memberships

• Turkish Federation of Breast Diseases Societies
• Samsun Breast Society — Founding President
• Istanbul Senology Society
• Izmir Breast Society
• Turkish Society of Colorectal Surgery
• Turkish Surgical Society

Selected Scientific Publications

• Sullu Y, Tomak L, Demirag G, Kuru B, Ozen N, Karagoz F. Evaluation of the relationship between Ki67 expression level and neoadjuvant treatment response and prognosis in breast cancer based on the Neo-Bioscore staging system. Discover Oncology. 2023;14(1):190. DOI: 10.1007/s12672-023-00809-w.
• Karabicak I, Karabulut K, Yuruker S, Kesicioglu T, Ozen N. Single-Port Laparoscopic Liver Resection: Largest Turkish Experience. Indian Journal of Surgery. 2017;79(2):111–115. DOI: 10.1007/s12262-015-1435-0.