BACKGROUND Risk factors for local recurrence after polypectomy, endoscopic mucosal resection (EMR), and endoscopic submucosal dissection (ESD) have not been ide
The aging of the organ function causes sensitivity to the disease progression and need careful consideration for the medical treatment. With the increase of agi
BACKGROUND Tens of millions of gastrointestinal endoscopic procedures are performed every year in China,but the quality varies significantly and related factors