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The majority of subepithelial lesions in the esophagus are benign with extremely low malignancy potential. EUS examinations performed for lesions smaller than 2 cm as well as FNAs taken from lesions smaller than 3 cm might have minimal impact on their ultimate management and outcome. More than one FNA pass should be attempted in order to improve the yield.
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Şentürk et al. (2015) studied this question.
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