The entire gastrocolic omentum is separated from the transverse colon by scissors dissection through the avascular embryonic fusion plane. It is tremendously helpful to be alert of the difference in texture and color of the fat in the epiploic appendices of the colon and that of the omentum. Bleeding will be avoided by keeping this important plane of dissection between these two different structures. The next step is to elevate the mobilized omentum from the transverse colon and to expose the anterior surface of the pancreas. As the omentum is mobilized, the venous branch between the right gastroepiploic and middle colic veins is identified and ligated.
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