
Keywords: شیب پورتوسیستیک; BATO; balloon-occluded antegrade transvenous obliteration; BRTO; balloon-occluded retrograde transvenous obliteration; CAQ; Certificate of Added Qualifications; EGD; esophagogastroduodenoscopy; EV; esophageal varix; GEV; gastroesophageal varix; GV; gastri