Figure 3
Surgical specimen and microscopic examination of the rectal carcinoma. (A) Surgical specimen showing that is a type 2 tumor measuring 15 × 15 mm. (B) Microscopic examination shows an adenocarcinoma forms moderate- to large-sized atypical glands. The carcinoma shows infiltrating growth in the muscularis propria (hematoxylin and eosin stain, original magnification × 4).