Woman, 23, has a rare condition which means she only grew one breast

Becca Butcher, 23, from Barnsley, South Yorkshire, has Poland Syndrome, which means one breast is significantly smaller than the other - her right one is a D cup while the left is an A cup.

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Woman, 23, has a rare condition which means she only grew one

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Woman with Poland Syndrome only grew one breast

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I only grew one boob — and it's a real medical condition