结肠腺癌浸润的腺体与腺瘤性息肉虽然都可以看出类似于腺体，但前者分化程度更低。 一般来说，分化程度差的肿瘤恶性程度更高。

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.