The infiltrating glands of this colonic adenocarcinoma demonstrate less differentiation than the adenomatous polyp, although they still resemble glands. In general, less differentiation means a greater likelihood of malignant behavior.

• 图示结肠腺癌侵袭的腺体呈腺体样,但较腺瘤性息肉分化差。一般地说,分化差意味着恶性更大。