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Pull request overview
This pull request adds new COSD (Cancer Outcomes and Services Dataset) measurement mappings for breast cancer observation data, implementing transformations for both COSD V8 and V9 datasets.
Changes:
- Added 9 new observation mappings for breast cancer data (3 for V9, 6 for V8)
- Includes comprehensive documentation with SQL queries, visualizations, and metadata
- Implements C# transformation classes with appropriate OMOP concept mappings
Reviewed changes
Copilot reviewed 43 out of 51 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
| Observation documentation (*.md) | Documents observation field mappings for value_as_string, value_as_number, dates, concept IDs, and NHS numbers |
| JSON/SVG documentation | Provides structured metadata and visual representations of data transformations |
| CosdTransformer.cs | Registers 9 new transformation handlers for breast cancer observations |
| Observation classes (*.cs) | Implements OMOP observation transformations with appropriate attributes and concept mappings |
| Record classes (*Record.cs) | Defines data models for source records from COSD staging tables |
| XML query files (*.xml) | Contains SQL queries to extract data from COSD staging tables |
| OmopTransformer.csproj | Adds XML files to project build configuration |
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james-cockayne
approved these changes
Jan 29, 2026
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