Abstract
With the development of self-expanding metallic stents, colonic obstruction can be relieved without the need for surgery, irrespective of the location of the obstructing lesion. Since the proximal colonic obstruction is relatively mild and usually does not lead to large amount of fecal retention, the need for preoperative stenting for relieving obstruction remains unclear. However, preoperative placement of stents for malignant obstruction of the proximal colon has been increasingly performed. The objective of the present study was to compare clinical improvement rates and operative results after preoperative placement of stents for malignant colorectal obstruction according to the location of the obstructing lesion.
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