This is a link to a blog by Dr. Susan Love regarding the recent reports of possible errors in two lab tests.
"Until then, I would encourage women to ask for second opinions on their pathology and test results if there is any question about their tumor type. Most likely, this will be women whose tumors are found to be ER, PR and/ HER2-negative. For them, re-testing may be important as it could mean they have another treatment option."
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