Demo / Research / Not for Clinical UseDemo modeContact NexaRad

ModalityChest X-ray

ViewPortable AP

Body partChest

SupportResearch supported

Clinical boundary

The browser never becomes the clinical boundary.

01BrowserNo direct PHI store

02API gatewayPolicy entry

03ServicesModel and verifier control

04StorageDICOM and artifacts

Auth boundaryHTTP-only sessions, org membership, RBAC, active tenant context.

Data boundaryBackend-owned DICOM artifacts, Orthanc adapter, no browser storage access.

AI boundaryProvider adapters run behind explicit support posture and site policy.

Report boundaryStructured findings only, verifier-gated export, visible non-clinical watermark.

Evidence ledger / Demo modeExport locked

Scan viewer

SYN-CXR / AP / RIGHT APEX / DE-IDENTIFIED

Report draft

Right apical pneumothorax candidate, under clinician review.

Evidence link: CXR / right apex -> finding_01

Verifier gate

Evidence present on all findingsPass

Operating mode allows exportPending

Clinician review completePending

Unsupported claims absentPass

Audit trail

finding_01 reviewed

verifier_check failed

export_blocked recorded

NexaRadEvidence-Linked Workflow

Evidence-linked radiology workflow.

Backend-owned DICOM intake, modality routing, chest X-ray pneumothorax finding candidates, clinician review authority, evidence-linked report sentences, verifier-gated export, and audit events. Designed for controlled review workflows — not autonomous diagnosis.

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02 — Context

The study is read before any model runs.

Modality, body part, series, and support status attach as deterministic DICOM context before any model runs.

03 — Slice

Scroll cuts to the evidence.

One frontal chest X-ray. One right apical pneumothorax candidate. No claim without an imaging address in the study.

04 — Ledger

The finding becomes structured.

Source series, slice, model version, confidence, and review state — written to the evidence ledger as structured records.

05 — Report

The sentence links back.

Each draft sentence links back to its finding. The report stays locked until clinician review completes.

06 — Verify

The verifier gates export.

Evidence present, mode cleared, review complete, claims supported — until then export stays locked and watermarked.

10 — Audit

Traceable end to end.

Every handoff leaves an evidence event. Export stays locked until the verifier and review state agree.

Scroll — slice the study

Product proof

One governed finding, visible across the product shell.

The film resolves into one proof surface: worklist context, scan evidence, draft sentence, verifier state, and audit trail. No second dashboard wall, no repeated claim parade.

Evidence ledger · Demo mode

Export locked

Worklist

Patient	Study	Status	Report
SYN-001	XR · Chest X-ray portable AP	Ready	Draft
SYN-002	US · Abdominal ultrasound	Uploaded	Blocked
SYN-001	XR · Chest X-ray portable AP	Ready	Draft
SYN-002	US · Abdominal ultrasound	Uploaded	Blocked

Chain of custody

A sentence can leave only when its evidence path is intact.

DICOM image / region

Imaging source

Frontal chest X-ray · Right apex

Structured finding

Ledger row

finding_01 · right apical pneumothorax candidate

Report sentence

Draft linked

Right apical pneumothorax candidate, under clinician review.

Verifier check

Verifier controlled

Evidence present · Review pending · Export locked

Audit event

Traceable

verifier_check · export_blocked · study_001

Pilot validation

The commercial story becomes four concrete checks.

Intake

De-identified DICOM session enters through server scope.

Route

Modality and body-region support status are visible before claims.

Review

Evidence-linked findings remain under clinician authority.

Gate

Verifier, operating mode, and audit rules decide whether export stays locked.

Trust boundary

The buyer contract: backend control, explicit support, locked export.

This is where governance and clinical honesty live together. The site shows what the platform can ingest and govern while keeping diagnostic claims narrow, validated, and policy-gated.

Server-owned imaging architecture

Boundary enforced

Frontend

API Gateway

Backend Services

Storage

Server import

Backend-owned DICOM intake

Browser clients never talk directly to Orthanc, object storage, or imaging archives. Upload sessions and import scope stay server-side.

Tenant scoped

PHI and security boundary

HTTP-only sessions, org memberships, and RBAC hydrate active tenant context. PHI handling follows configured site policy — not implied clearance.

Module gated

Model support status

Modules run behind provider adapters with explicit support posture. Unsupported studies remain viewable without enabling unsupported interpretation language.

Export gated

Audit and export governance

Verifier checks evidence, mode, review state, and support before export. Blocked exports and watermarking remain visible in demo posture.

Auth boundaryHTTP-only sessions, org memberships, RBAC, active membership hydration

Data boundaryBackend-owned DICOM, MinIO/S3 artifacts, Orthanc adapter, no browser storage access

AI boundaryDeterministic local adapter first, Bedrock/SageMaker adapters disabled by default

Report boundaryStructured findings only, verifier-gated export, visible non-clinical watermark

Module support stays explicit.

Platform intake can be broad while clinical claims stay narrow. The text state is the contract: what can be viewed, what can be drafted, and what remains locked.

Chest X-raycxr-pneumothorax-review v0.2.1Research workflow

First research wedge for pneumothorax candidate review with evidence-linked review and verifier gates.

CT chestthoracic-review-context v0.3.2Demo context

Secondary workflow context; report export stays restricted by site policy.

MR brainviewer-onlyViewing only

DICOM intake and viewing available; research workflow support remains out of scope.

US abdomenmetadata-onlyNot supported

Visible as a study record without model claims, composition, or export unlock.

Demo / Research / Not for Clinical Use · Clinical use requires validation, governance, and clearance

Final frame

Walk the governed demo with the team building it.

Review the product shell, evidence path, support posture, and locked export behavior in a non-clinical walkthrough. No PHI, no autonomous diagnosis claims.

Demo modeNot for clinical use

finding_01 settled

Report draft linked · verifier pending · export locked

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Demo / Research / Not for Clinical Use · No autonomous diagnosis · No clinical clearance implied

The workflow becomes an evidence corridor.