Endoscopic Retreatment 6 months [clinicaltrials_resource:4c0487a14f6c91b9c9ee5eb22f212b8f]

Patients will receive an endoscopic examination after they have been followed up for 6 months, and if they have recurrence of varices or deterioration of varices,they are considered to be in need of endoscopic retreatment.

Endoscopic Retreatment 6 months [clinicaltrials_resource:4c0487a14f6c91b9c9ee5eb22f212b8f]

Patients will receive an endoscopic examination after they have been followed up for 6 months, and if they have recurrence of varices or deterioration of varices,they are considered to be in need of endoscopic retreatment.