The prevalence of endoscopically confirmed PUD in this Shanghai population (17.2%) is substantially higher than in Western populations (4.1%). The majority of individuals with PUD were asymptomatic.

Therapeutic ERCP may offer long-term improvement in pain in children and adolescents with CP.

ESD is a safe and feasible method for gastric GISTs, especially for tumor types A and B. Endoscopic ultrasound can aid evaluation of the tumor type before ESD, which is an independent risk factor correlated with a GWD upon ESD.