Studies like this are fundamental to improving our understanding of rarer breast cancer groups. The rich data studied from patients across England and Wales, coupled with the clear and actionable results, means that a big difference can be made for these at risk women.
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Becoming dry overnight. Rain arriving from the west on Sunday
Kerrie brings you the latest forecast for the rest of the weekend
In short it's sunshine and showers for Saturday, a dry start with rain later for Sunday. Here's the detail......