<prompt> On barium swallow the grade IV esophageal varices appear asMucosal folds above the carinaMucosal folds below the carinaMucosal folds at the carinaA thick band  <response>: Esophageal varices presents as serpiginous filling defects arrows in the esophagus below the level of carina Radiological Grading of varices Grade I- Straight varices seen only on inspiration Grade II- Straight varices seen in all phases of respiration Grade III- Touous varices in lower half of esophagus Grade IV- Touous varices in entire esophagus Ref: surgical disease in tropical countries Pgno : 130 