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HER 2 Copy Number

HER 2 Copy Number

I am curious after another post about a high her 2 FISH copy number - for those her 2 negative sisters, what was your her 2 copy number - it's reported as one of the two numbers they divide to get your ratio. I think anthing higher than 4 makes the result equivocal. Mine was like 2.3 I think...wondering if that is normal or is in the ones more normal?

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