A new drug is helping to treat an aggressive form of breast cancer with less side effects. 7's Alexis Rivera shows us why it's being called a 'smart bomb' when it comes to blowing up breast cancer.
Heather Hotaling: "I was OK until I was told I had stage four, and I wasn't curable any more because it really scared me. Here I was, I had two kids and I thought I was gonna die. It was very hard.