Patients undergoing LAR for rectum cancer is subjected. Preoperative blood samples from vena
rectalis superior and vena cubiti is collected, as well as biopsies from tumor. Preoperative
and after 3 month peripheral blood samples is collected.
A total of 50 patients will be included in this study.
The study is approved by the local scientific ethical committee No. S-20100006
Observational Model: Case Control, Time Perspective: Prospective
Denmark: Ethics Committee