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Fig. 4 | BMC Cancer

Fig. 4

From: Efficacy of EUS-guided FNB using a Franseen needle for tissue acquisition and microsatellite instability evaluation in unresectable pancreatic lesions

Fig. 4

EUS-FNA specimen obtained using a lancet-shaped needle. a The visibility of the 22-G lancet-shape needle was not much different from that of the Franseen needle. b In a low-power field, evident large tissue preparations were not observed. c In a high-power field, tumor cells were confirmed; however, there were not as many as in Fig. 3c

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