MCCE in Assessing Efficacy of Gastro-oesophageal Varices

Inclusion Criteria: * 18-75 years old * Confirmed cirrhosis by clinical or pathological biopsy * Previous endoscopic treatment of esophageal and gastric varices, including but not limited to sclerotherapy, injection of tissue adhesives, skin entrapment, etc * Electronic gastroscopy is to be performed * Voluntary informed consent Exclusion Criteria: Absolute contraindications: * Patients without surgical conditions or refusing any abdominal surgery (once the capsule is stranded, it cannot be removed by surgery) * There is a pacemaker in the body, except that the pacemaker is a new MRI compatible product * Electronic devices such as cochlear implants, magnetic metal drug infusion pumps, nerve stimulators and magnetic metal foreign bodies are implanted in the body; * .Women during pregnancy Relative contraindication: * Gastrointestinal obstruction, stenosis, and fistula are known or suspected * Dysphagia