ONE WEEK VERSUS FOUR WEEK HEPARIN PROPHYLAXIS AFTER LAPAROSCOPIC SURGERY FOR COLORECTAL CANCER.

the primary study objective is to assess the efficacy and, safety of extended 4-week heparin prophylaxis compared to, prophylaxis given for 8±2 days after planned laparoscopic, surgery for colorectal cancer., the clinical benefit will be evaluated as the difference in, the incidence of vte or vte-related death occurring within 30 days, from surgery in the two study groups., colon-rectal cancer, heparin, prophylaxis, laparoscopy, interventional