Isolated Gastric Varices Refractory to Balloon-occluded Retrograde Transvenous Obliteration (BRTO) Successfully Treated by Shunt-occluded Endoscopic Injection Sclerotherapy (SO-EIS): A Case Report and Review of the Literature

Isolated Gastric Varices Refractory to Balloon-occluded Retrograde Transvenous Obliteration (BRTO) Successfully Treated by Shunt-occluded Endoscopic Injection Sclerotherapy (SO-EIS): A Case Report and Review of the Literature