tnm-stage-calculatorlisted

# 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**