PART TWO: Quebec’s Debate about Breast Cancer Test Errors Turns to Questions about Defining Accuracy of Pathology Laboratory Testing

Specialist physicians in Quebec question why the outside review of ER and HER2 breast cancer pathology test results used a 1% standard versus a 10% standard Public debate in Quebec about inaccurate tests for breast cancer by the province’s pathology laboratories has turned attention to an area of pathology testing which is seldom discussed in public forums. It is the situation where there is often significant variability in rate of false positives and false negatives reported by different...
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