Pediatric Cystic Fibrosis Liver Etiology: fatty infiltration -> cirrhosis -> portal hypertensionImaging: esophageal varices Radiology Cases of Cystic Fibrosis Liver Radiology Cases of Esophageal Varices Due to Cystic Fibrosis Liver Lateral images from an UGI shows multiple rounded filling defects extrinsic to the distal esophageal lumen.