Utility of endoscopic ultrasound-guided fine-needle aspiration cytology in rapid on-site evaluation for the diagnosis of gastric submucosal tumors: Retrospective analysis of a single-center experience.

EUS-FNA cytological examination in ROSE for gastric SMTs aided in the collection of sufficient amounts of tumor tissues for preparing cell blocks. This method led to a high rate of accurate pre-operative diagnosis in patients with gastric SMTs.