Doctors advice?

Thanks for your time firstly, i have a close relative that has been informed she has cancer of the breast that is "Agressive" she is only 42 and i was wondering if the language of "agressive" in medical terms is really a way of saying there is no hope? id sincereley appreciate your thoughts and advice!
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Well the worst thing is that she has gone through IVF in order to have her dream which is a child now only 4 and i really at am a loss what to say to her or my auntie? life can be so bloody cruel!
Doctors advice?
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