The Value of Laparoscopic Ultrasound in Patients Undergoing Laparoscopic Resection for Cancer of the Colon or Rectum

"In the standard arm (Lap) the conditions at the abdomen is only assessed by laparoscopy immediately prior to the resection. In the intervention arm the intra-abdominal conditions are also assessed by laparoscopy, but then supplemented with a laparoscopic ultrasound examination of the primary tumor, liver and retroperitoneum.~All patients are given an CT scan of the abdomen after 3 months."