Medullary Carcinoma of the Colon and Rectum
Grading / Staging / Report
Grading
- There is no defined grading scheme for medullary carcinoma
- Cytologically, it appears high grade
- As with other MSI-H colorectal carcinomas, behavior is more typical of low grade
Staging
- Use TNM staging
- See colorectal adenocarcinoma staging for problematic staging issues
