Cancer through a child's eyes

Playtime with mommy is priceless for Grace Preston. Just a few years ago her mom Amber didn't have the strength to get out of bed.
"I told her mommy has cancer and mommy's going to have to take medicine and surgery. And it's going to be ok, mommy has to do this to stay alive," Amber Preston explains.
Those are hard words for a four-year-old to hear about her mom who was diagnosed with stage 3 breast cancer.
"She went through a biopsy," Grace, who's now 7, says about her mom.
"I did six months of