Data Collection
Patients were stratified into three groups according to WHO guidelines;
Group 1 (normal weight, <25 kg/m2), Group 2
(overweight, 25.0–29.9 kg/m2) and Group 3 (obese, ≥30
kg/m2) 15. Data items included
demographic characteristics such as age, gender, presence of diabetes,
coronary artery disease, hypertension, ASA score, ECOG performance
status score, operative data including surgical approach, type of
diversion and lymph node dissection were recorded and analyzed. The
complications were classified according to the modified Clavien system
and were retrospectively analyzed 16. Pathological
specimens were evaluated at each institution’s pathology department
using Tumor Node Metastasis classification for staging and the 2004
World Health Organization classification for grading. Ethics committee
approval for the study was obtained from the ethics committee of the
University of Çukurova (approval number- September 4,2019;91/60).