MCB vs EUS-FNA for Preoperative Pathological Evaluation of Gastric SMT

Exclusion Criteria

• •Endoscopic non bulging lesions.
• •The upper gastrointestinal lesions measured by Endoscopic Ultrasonography(EUS) are less than 15 mm.
• •Lesions that do not require tissue collection (such as lipomas, varicose veins)
• •Patients with cystic lesions
• •The patient has uncorrectable coagulation dysfunction (International Normalized Ratio (INR)\>1.5 or platelet count\<50x109)
• •Patients with portal hypertension
• •Patients with a history of upper gastrointestinal surgery
• •Pregnant women
• •Patients who refuse to participate in this clinical trial