After working so hard to persuade my mom to get a mammogram last fall, it was startling to learn there was actually an area of concern in her left breast. When we found out it was ductal carcinoma in situ (DCIS), or stage 0 breast cancer, it was pretty shocking for both of us.

At first, I was a little worried. But I was also very hopeful. Because as a breast ultrasound technologist at MD Anderson The Woodlands, I see this kind...