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The sensitivity, specificity, positive predictive value, negative predictive value and diagnostic accuracy of the EUS-FNA group were 96.4% (27/28), 83.3% (10/12), 93.1% (27/29), 90.9% (10/11) and 92.5% (37/4, while those in the SpyGlass group were 100% (54/54), 75% (3/4), 98.2% (54/55), 100% (3/3) and 98.3% (57/58), respectively. The diagnostic accuracy rate in the SpyGlass group was higher than that in the EUS-FNA group; however, no significant difference was found between the two groups (P = 0.368). The diagnostic accuracy of evaluat