Obesity is a major health issue in the modern world population and a risk factor for surgical procedures. This study examined perioperative and oncologic results of gastrectomy in obese patients diagnosed with gastric cancer. BMI ≥30 kg/m² was used to designate obesity. Five hundred and one patients were operated throughout the study period (2009-2018). The outcomes in obese patients (n = 205) were compared with those with normal weight (n = 171) and overweight (n = 125). The mean BMI was significantly different between the groups: 21.9 26.7 33.3 kg/m² ( < 0.01), respectively. Obesity was associated with higher incidence of comorbidities, longer operative time, and increased blood loss. Postoperative and short-term oncologic outcomes were similar. Median follow-up was 24 months with similar recurrence rates in the three groups. Median survival was comparable between the normal weight, overweight, and obese patients-36 (27-45) 42 (30-53) 32 (17-47) months, respectively ( = 0.63). Obesity itself does not deteriorate the surgical outcomes of gastrectomy in patients with gastric cancer. Although technically demanding in obese patients, adequate lymph node yield and satisfactory long-term oncologic outcomes can be achieved in this group.
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