Surgeons in Erlangen routinely practicing CME and CVL surgery remove more mesocolon and are more likely to resect in the mesocolic plane when compared with standard excisions. This, along with the associated greater lymph node yield, may partially explain the high 5-year survival rates reported in Erlangen.
Both techniques showed high mesocolic plane resection rates and long distances between the high tie and the bowel wall. The extended longitudinal resection after CME with CVL increased the nodal yield but did not increase the number of tumor involved nodes. Both series were oncologically superior to recently reported series from other countries and confirm the wide variation in colonic cancer surgery and the need for further standardization and optimization following the approach undertaken in improving rectal cancer outcomes.
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