This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Anatomy
Worm like filling defect is seen In 
Select and explain. 
A. Erosive gastritis, B. Esophageal varices, C. CA esophagus, D. Schatzki's ring
B: Esophageal varices
Answer: B: Esophageal varices 
Explanation: On USG Thickened sinus, interrupted mucosal folds (earliest sign) Toous radiolucencies of variable size The "worm-eaten" smooth lobulated filling defects Ref: Wolfgang Radiology 2nd edition Pg no : 509