In the long term, sleeve gastrectomy surgery causes very few problems compared to the harms of obesity. Diseases such as diabetes; high blood pressure, sleep apnea disease, which cannot be cured unless weight is lost, reduce human life and quality of life. Gastric sleeve gastrectomy increases the duration and quality of life by improving these diseases. A technically non-standard sleeve gastrectomy surgery may adversely affect health. Therefore, it is of great importance to prefer experienced clinics.