1. Abdominal and Pelvis Unit, Radiology Department, Clinical Hospital University of Chile, Faculty of Medicine, University of Chile, Independencia, Santiago 8380453, Chile
2. Anatomy and Developmental Biology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Independencia, Santiago 8380453, Chile
3. Pathology Department, Clinical Hospital University of Chile, Faculty of Medicine, University of Chile, Independencia, Santiago 8380453, Chile