Template:Colorectal adenoma versus adenocarcinoma
In carcinoma in situ (Tis), cancer cells invade into the lamina propria, and may involve but not penetrating the muscularis mucosae. This can be classified as an adenoma with "high-grade dysplasia", because prognosis and management are essentially the same.
- Robert V Rouse. Colorectal Adenoma Containing Invasive Adenocarcinoma. Stanford University School of Medicine.
- Finlay A Macrae. Overview of colon polyps. UpToDate. This topic last updated: Dec 10, 2018.