Su1448 ENDOSONOGRAPHIC ALTERATIONS OF THE RESECTED SMALL SUBEPITHELIAL LESIONS ON UPPER GASTROINTESTINAL TRACT DURING SURVEILLANCES

Gastrointestinal subepithelial lesions may have malignant potentials. Some endosonographic features are suggested to differentiate the lesions and surveillances are recommended if they are not removed. To prove the effectiveness of surveillances, the results of inspection that influence the surgical resections should be reported.

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