Multimodal Clinical Decision Support System for Liver MRI

Retrieval-Augmented Cancer Detection & Diagnostic Error Prevention

Home Reference Docs Draft v2 — February 2026
Phase 0
MRI Preprocessing Pipeline
Months 1 – 2
Phase 1
Data Foundation & Case Database
Months 2 – 4
Phase 2
Embedding & Retrieval Pipeline
Months 4 – 7
Core Product
Phase 3
VLM Reasoning Layer
Months 7 – 10
Phase 4
Insights from Similar Cases
Months 10 – 12
Key Differentiator
1
Embedding & Indexing
Institutional Memory
MedSigLIP — MRI Vision Encoder FT-Transformer — Structured EHR Encoder ClinicalBERT — Clinical Notes Encoder Cross-Modal Attention Fusion (d=768)
2
Hybrid Retrieval
Case Matching
Dense Retrieval (DPR) Sparse Retrieval (BM25) Cross-Encoder Reranker FAISS / Qdrant Vector Store
3
VLM Reasoning + Case Insights
Diagnosis Support
MedGemma 1.5 VLM Structured Differential Diagnosis Confidence & Uncertainty Estimation Case Insight Engine
500+
Historical cases indexed
< 3 sec
End-to-end retrieval time
0.68
Top-5 precision (P@5)
3
Modalities fused (imaging, EHR, notes)
67%
Case insights rated useful by radiologists