tnm-stage-calculatorlisted
Install: claude install-skill sbalci/pathology-skills-collection
# TNM Stage Calculator
Quick and accurate TNM stage group calculation based on AJCC 8th edition staging manual.
## When to Use This Skill
Use this skill for:
- Quick stage group lookup from pT/pN/pM
- Teaching TNM staging to residents
- Verifying report staging accuracy
- Calculating stage from pathologic findings
- Tumor board preparation
## Supported Tumor Types
- Breast invasive carcinoma (AJCC 8th pathologic stage groups)
- Colorectal carcinoma (AJCC 8th pathologic stage groups)
- Exocrine pancreas carcinoma (AJCC 8th pathologic stage groups)
- Gastric carcinoma (AJCC 8th pathologic stage groups)
## Key Features
1. **Stage Group Calculation**: Input pT/pN/pM → Output stage group (0, I, IIA, IIB, IIIA, etc.)
2. **Validation**: Checks if pT/pN/pM combination is valid
3. **Prognostic Info**: Provides stage group meaning
4. **Fast Lookup**: Lightweight skill optimized for speed
## Reference Files
Reference on-demand (DO NOT load at startup):
- Staging tables: `../../shared-references/staging/tnm_stage_calculator.md`
## Usage Examples
```bash
# Calculate stage
claude "What stage is pT2 N1 M0 for breast using tnm-stage-calculator"
# Quick lookup
claude "Stage pT3 N1b M0 colorectal using tnm-stage-calculator"
# Verify staging
claude "Is pT1c N0 M0 stage IA for breast using tnm-stage-calculator"
```
## Processing Instructions
1. **Parse input**: Extract pT, pN, pM categories and tumor type
2. **Load staging table** for specific tumor type
3. **Look up stage group**