Nodal Staging: Avocado Sign vs. T2

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Global Controls & Analysis Context

Use the buttons in the top header to select the patient Global Cohort for general exploration in the Data and Analysis tabs. For specific, methodologically valid comparisons (e.g., in the Comparison tab), the application automatically activates an Analysis Context. This locks the cohort to the appropriate group for the selected comparison (e.g., 'Surgery alone' for ESGAR criteria) and temporarily disables the global cohort buttons to ensure scientific rigor.

Tabs Overview

Data: View and sort the raw patient data based on the selected Global Cohort. Click on a row to expand and see individual T2 lymph node features.
Analysis: Interactively define T2 malignancy criteria and see their real-time impact on diagnostic performance for the selected Global Cohort. Run the Brute-Force Optimization to find the mathematically best criteria for a selected metric.
Statistics: Get a comprehensive statistical breakdown. In 'Single View', it uses the Global Cohort. In 'Comparison View', you can select two cohorts for a direct comparison.
Comparison: Visually compare the performance of the Avocado Sign against either your currently applied T2 criteria or established criteria from the literature. This tab uses the Analysis Context to ensure all comparisons are performed on the correct, methodologically sound patient cohort.
Insights: Perform advanced analyses such as Post-hoc Power Analysis, Mismatch Analysis to compare methods, and Feature Importance to understand the contribution of individual T2 criteria.
Publication: The primary module for generating a manuscript draft. It automatically assembles text, tables, and figures formatted according to *Radiology* journal guidelines, incorporating the latest analysis results.
Export: Export the generated manuscript text, tables, and charts in various formats (Markdown, SVG) for use in other applications.

Disclaimer: This is a research tool only. Do not use for clinical diagnosis or treatment decisions.