Fig. 1

In the Cross-Sectional Anatomy Special Study Module (SSM), radiological cross-sectional images are used to delineate organs and anatomical structures at various levels and to discuss potential imaging findings associated with pathologies. The figure illustrates the use of Computed Tomography (CT) of the upper abdomen as employed in modules L:Liver, GB: Gallbladder, P:Pancreas, S:Spleen, and K:Kidney