TNM Staging Colon Cancer
Select T, N, and M values to instantly determine the AJCC TNM stage group (Stage I through Stage IV) for colon cancer.
TNM Inputs
Select T, N, and M values, then click Calculate Stage.
Result will appear here.
Overall Stage Group
T
N
M
Educational use only. This tool follows AJCC 8th Edition guidelines but does not replace formal pathologic staging by a qualified clinician. Always confirm staging with your oncology team.
Summary
Select T, N, and M values to instantly determine the AJCC TNM stage group (Stage I through Stage IV) for colon cancer.
How it works
- Select the T category (tumor depth/invasion) from the dropdown.
- Select the N category (regional lymph node involvement).
- Select the M category (distant metastasis).
- Click "Calculate Stage" to see the overall AJCC stage group.
- Read the color-coded result and the per-component definitions below it.
Use cases
- Help patients understand their pathology report.
- Cross-check staging before a multidisciplinary tumor board.
- Study AJCC staging rules for oncology board exams.
- Quickly look up stage grouping during clinical documentation.
- Educate medical students on TNM classification principles.
- Verify manual staging calculations for quality assurance.
Frequently Asked Questions
Last updated: 2026-06-09 ·
Reviewed by Nham Vu