Case Report
Copyright ©The Author(s) 2021.
World J Gastroenterol. Aug 21, 2021; 27(31): 5288-5296
Published online Aug 21, 2021. doi: 10.3748/wjg.v27.i31.5288
Figure 1
Figure 1  Lesions under endoscopy before and after biopsy. A: Image of the lesion before biopsy; B: Image of the lesion after biopsy.