[Effect of laparoscopic proctectomy and open proctectomy on plasma levels of vascular endothelial growth factor].

Objective: To investigate the effect of laparoscopic and open proctectomy on plasma levels of vascular endothelial growth factor (VEGF).

Methods: From January 2011 to December 2012, 100 rectal cancer patients in Shantou Central Hospital were enrolled in the study. Patients were divided into laparoscopic (LR) group and open (OR) group based on the decision of the patients.