Colorectal pathology specialist
Skill patolojiAI/pathology-skills-collection/pathology-skills/colorectal-pathology-specialist
Comprehensive clinical pathology toolkit for Claude - skills for CAP/ICCR compliance, TNM staging, synoptic templates, SNOMED coding, tumor board summaries, scientific similarity checking, and reference verification.
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Comprehensive colorectal cancer pathology workflow combining CAP/ICCR compliance validation, synoptic template generation, TNM staging (AJCC 8th edition), MSI/MMR testing interpretation, mesorectal excision quality (MERCURY) grading, tumor board summaries, and SNOMED coding. Use when the user uploads or pastes a colorectal pathology report (colectomy, low anterior resection, abdominoperineal resection, polypectomy) and asks to "check colorectal report", "validate CAP ColoRectal protocol", "stage this colorectal cancer", "interpret MSI/MMR", "assess TME quality", or any colorectal-cancer-specific pathology task. Supports .pdf, .docx, .txt input in English and Turkish.
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SKILL.md
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Colorectal Pathology Specialist
Complete colorectal cancer pathology workflow toolkit combining compliance checking, staging, MSI/MMR reporting, and coding.
When to Use This Skill
Use this skill for:
- Colorectal cancer pathology report validation
- Colon and rectal carcinoma specimens (colectomy, polypectomy, TEM)
- CAP/ICCR compliance checking with severity scoring
- TNM staging calculation (AJCC 8th edition)
- MSI/MMR testing interpretation
- Mesorectal excision quality grading (rectal specimens)
- Tumor board summary generation
- SNOMED CT coding assistance
Supported Specimen Types
- Right hemicolectomy (cecum, ascending colon)
- Left hemicolectomy (descending colon)
- Sigmoid colectomy
- Low anterior resection (rectal)
- Abdominoperineal resection (rectal)
- Total mesorectal excision (TME)
- Polypectomy specimens
- Transanal excision (TEM/TAMIS)
Key Features
- Compliance Checking: Validates against CAP ColoRectal and ICCR Colorectal Cancer protocols
- TNM Staging: AJCC 8th edition colorectal staging with pT/pN/M calculation
- MSI/MMR Reporting: Microsatellite instability and mismatch repair interpretation
- Mesorectal Quality: TME quality grading (complete/nearly complete/incomplete)
- Template Generation: Colon and rectal specimen synoptic templates
- Tumor Board Summaries: Concise 3-5 line MDT presentation format
- SNOMED Coding: Colorectal-specific code suggestions
Reference Files
When processing reports, reference these files on-demand (DO NOT load at startup):
- Diagnosis guidelines:
references/diagnosis/colorectal_resection.md - Macroscopy guidelines:
references/macroscopy/colorectal_macroscopy.md - TNM staging:
../../shared-references/staging/tnm_stage_calculator.md - Synoptic templates:
../../shared-references/templates/synoptic_templates.md - SNOMED codes:
../../shared-references/coding/snomed_ct_codes.md
Usage Examples
# Validate report compliance
claude "Check this colorectal report using colorectal-pathology-specialist" < report.txt
# Generate staging
claude "What stage is pT3 N1b M0 for colorectal using colorectal-pathology-specialist"
# Create template
claude "Generate rectal TME template using colorectal-pathology-specialist"
# MSI interpretation
claude "Interpret MLH1 loss, PMS2 loss, MSH2 intact, MSH6 intact using colorectal-pathology-specialist"
Processing Instructions
When analyzing colorectal pathology reports:
- Identify request type (compliance check, staging, template, MSI interpretation, summary, coding)
- Read relevant reference file on-demand based on request
- Process the report using appropriate guidelines
- Generate output in requested format
- DO NOT load all reference files upfront
Compliance Scoring
Use severity-based weighting:
- Critical elements (tumor size, grade, margins, CRM, nodes, MSI): -15 points each
- Major elements (LVI, PNI, tumor deposits, perforation): -5 points each
- Minor elements (tumor location, distance from margins): -2 points each
Scoring: 90-100 (Compliant) | 70-89 (Minor issues) | 50-69 (Major issues) | <50 (Critical)
Cross-Validation Checks
Always validate:
- pT category vs tumor invasion depth
- pN category vs positive node count
- Stage group vs pT/pN/M combination
- CRM status (rectal) vs margin measurements
- MSI status vs MMR immunohistochemistry pattern
Language Support
Supports English and Turkish - detect from user prompt and use appropriate template file.
Note: This is a minimal skill definition. Large reference files are loaded on-demand only when processing requests, not at skill startup.