Donate. Walk for Breast Cancer (fundraising). If you know someone, make meals for them and their family, don't treat them like they're doomed, make them laugh, bring them gifts or flowers and visit often as long as they are feeling up to it.
I don't know......but if it were to happen to a friend of mine or even myself get diagnosed with it.....Lots of hugs and understanding....being positive for them even though they may not be and praying all is better.
Being there and showing you care......and even here asking on Cafe Mom shows that you care!