Figure 5From: Using GIS for spatial analysis of rectal lesions in the human body3D choropleth map of operative failure rates. A 3D version of the choropleth map shown in Figure 4. Dark-colored regions near the top of the figure represent regions of high failure rates at the greatest distance from the dentate line. Regions with highest rates are opposite one another, on the anterior and posterior aspects of the rectum.Back to article page