Impact of obesity on surgical and oncological outcomes in the management of colorectal cancer.

Introduction: Obesity is an established risk factor for colorectal cancer, particularly in males, and may negatively impact on oncologic outcomes. The aim of this study was to examine the impact of body mass index (BMI) on mortality and morbidity, tumour pathology, and overall survival in a consecutive cohort of Irish colorectal cancer patients treated with curative intent.

Methods: A retrospective analysis of BMI data entered prospectively into a comprehensive electronic database of colorectal cancer patients was undertaken.