Review
Copyright ©The Author(s) 2022.
World J Gastroenterol. Dec 21, 2022; 28(47): 6632-6661
Published online Dec 21, 2022. doi: 10.3748/wjg.v28.i47.6632
Figure 10
Figure 10  Large colonic laterally spreading tumour. A: White light imaging with poor differentiation between polyp and normal tissue; B: Flat extension seen more clearly on NBI; C: Submucosal methylene blue injection prior to resection clearly delineating the margins of the flat spreading component.