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. 2016 Dec 20;10:355. doi: 10.1186/s13256-016-1163-5

Fig. 1.

Fig. 1

a An endoscopic picture showing a wide-based sessile submucosal tumor-like mass with depression at the top of the lesion. b Narrow banding image with magnification showing non-irregular microvessel or mucosal structure. c Endoscopic ultrasound images showing a heterogeneously hyperechoic mass with several anechoic lesions located predominantly in the mucosa