Study Indicates Errors in Breast Cancer Testing in Canadian Province of Quebec

Health minister characterizes reports of 20% to 30% error rates as highly exaggerated Questions about a possible high rate of errors in breast cancer testing done in the Canadian province of Quebec surfaced last week. Government health officials were forced to publicly acknowledge that they had received a report in April of a limited study that indicated an error rate of between 15% and 20% in hormone receptor testing, and an error rate as high as 30% in HER2/neu testing. Following the first...
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