LDFR is a proposed diagnostic signal that flags LLM diagnostic instability when embeddings cross a PCA-based boundary under small clinical edits, tested on synthetic and 90 real notes.
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Embeddings to Diagnosis: Latent Fragility under Agentic Perturbations in Clinical LLMs
LDFR is a proposed diagnostic signal that flags LLM diagnostic instability when embeddings cross a PCA-based boundary under small clinical edits, tested on synthetic and 90 real notes.