How Arca works, from the referral to the first treatment.

Cases arrive from EHR feeds, referral faxes, and direct entry. Arca stages each one for the right board, captures the decision at the table, and records what happened to every task after.

Referral receivedAug 12 · community PCP fax Staged for the GI boardAug 13 · MRI missing, chased Presented · recommendation capturedAug 18 · 07:41 · three tasks with owners and dates Referral confirmed · MRI scheduledAug 21 and 22 · both closed from the EHR feed Treatment startedSep 8 · first fraction documented 6 days, referral to board 21 days, board to treatment · every step dated
Twenty-seven days, every step dated.Synthetic case. Patient details invented.

The agenda, built from each case's workup.

A case is ready when its workup is complete, with the brief attached. A case short a report is held with the gap named, so the chase happens days before the meeting.

GI tumor board · Tuesday 07:00 · agenda
Case 44810-2 · rectal adenocarcinoma · newready · brief attachedpath ✓ · MRI ✓ · CEA ✓
Case 47091-1 · colon · restaging reviewreadypost-cycle-4 CT ✓
Case 53108-2 · rectal massheld · pathology pendinglab notified Aug 13
Case 52011-9 · new diagnosis, no board dateflagged · day 8on the coordinator's queue until a board has it

Synthetic cases. Patient details invented.

The decision record, captured at the table.

The coordinator captures the recommendation, its tasks, and each owner and due date while the physicians talk. When the meeting ends, the work is already assigned.

# one recommendation, as captured at the table · synthetic case: 44810-2 · rectal adenocarcinoma · stage IIIB board: GI tumor board · 2026-08-18 · 11 attendees recommendation: neoadjuvant chemoradiation, then resection tasks: - referral: radiation oncology · navigator · due +5d - imaging: restaging MRI pelvis · scheduling · due +6w - genetics: screening per pathway · genetics clinic · due +14d pathway: program rectal pathway · follows · documented captured: at the table · 2026-08-18 07:41

Tasks that close with evidence.

A referral closes when the clinic confirms. A scan closes when it is scheduled. Treatment closes when the first infusion is documented. Anything past its date is a flag, computed from the record whenever anyone looks.

Genetics screening · case 44810-2genetics clinic · due in 14 days
day 1due · day 14day 21

Also flagged: a recommendation with no owner, from day one · a new diagnosis with no board date, at day seven · a treatment start unconfirmed at the pathway interval.

The monthly report is computed from the record.

Presentation rate, closure, and time to treatment, by board. The same figures export for the Commission on Cancer survey and for health plan reporting. What a pilot measures

Arca · Meridian Cancer CenterJuly 2026 · program report

Coordination, from the decision record

Figures below are computed from decision records.

61cases presented across 4 boards
92%of new analytic cases presented
87%of recommendations closed on time
19 daysmedian diagnosis to first treatment
needs attentionage
Thoracic board closure at 71%2 mo
Recommendation with no owner11 d

Synthetic figures.

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