MCB vs EUS-FNA for Preoperative Pathological Evaluation of Gastric SMT
Conditions
- Gastrointestinal Stromal Tumor of Stomach
- Submucosal Tumor of Stomach
Interventions
- PROCEDURE: mucosal cutting biopsy
- PROCEDURE: endoscopic ultrasound-guided-fine needle aspiration
Sponsor
Peking University People's Hospital