[1] Ondokuz Mayis Univ, Dept Gen Surg, Sch Med, Samsun, Turkey
[2] Ondokuz Mayis Univ, Dept Internal Med, Sch Med, Div Endocrinol & Metab, Samsun, Turkey
[3] Varto State Hosp, Dept Gen Surg, Varto Mus, Turkey
[4] Ondokuz Mayis Univ, Dept Pathol, Sch Med, Samsun, Turkey
[5] Kemerburgaz Univ, Sch Med, Dept Gen Surg, Istanbul, Turkey
[6] Ondokuz Mayis Univ, Dept Radiol, Sch Med, Samsun, Turkey