# An asynchronous expert second opinion for every new advanced-cancer diagnosis

Source: https://onco.cc/ideas/idea-acc-universal-asynchronous-second-opinion/  
OnCo record `idea-acc-universal-asynchronous-second-opinion` (Idea). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

Every patient newly diagnosed with advanced cancer would have their records reviewed by an expert centre within a week, without travelling. The review often changes the plan.

## Summary

Second-opinion studies consistently show that expert review changes diagnosis or management in a substantial minority of cases, especially in pathology and molecular interpretation. Providing an asynchronous, record-based expert review for all new stage IV diagnoses, funded by payers and delivered by accredited centres, would spread expertise without moving patients. AI could pre-structure the record to reduce reviewer time.

## Fields

- Kind: Idea
- Last checked: 2026-09-08
- Hypothesis: Universal second opinion will change management in at least 15% of advanced cancer cases and increase enrolment in appropriate trials and use of targeted therapy in eligible patients.
- Rationale: The value of second opinion is established; the gap is access, which is inequitably distributed toward well-informed patients near academic centres.
- Proposed test: A payer pilot in one region offering review to all new stage IV patients, measuring change in management, trial enrolment, and patient satisfaction.
- Maturity: speculative
- Actor: payer

## Sources

- Bottleneck evidence (Fragmented care and guideline gaps): Hanna et al., Mortality due to cancer treatment delay: systematic review and meta-analysis (BMJ 2020): https://doi.org/10.1136/bmj.m4087

## Connected records

- bottlenecks: [Fragmented care and guideline gaps](https://onco.cc/bottlenecks/b-care-fragmentation/), [Knowledge reaches practice too slowly](https://onco.cc/bottlenecks/b-knowledge-diffusion/), [Trials enrol too few, too slowly](https://onco.cc/bottlenecks/b-trial-enrolment/)
- key papers: [Mortality due to cancer treatment delay: systematic review and meta-analysis](https://onco.cc/key-papers/paper-hanna-bmj/)

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