Histological Distinction between the Granular and Nongranular Types of Laterally Spreading Tumors of the Colorectum

Figure 1

(a) A typical case of a laterally spreading tumor of the nongranular type (LST-NG) located in the cecum. (b) Despite any previous manipulation, the lesion showed a nonlifting sign. (c) The lesion removed en bloc by endoscopic submucosal dissection was found to be an intramucosal carcinoma.

(a)

(b)

(c)