As the parent of a cancer patient, when you first step through the doors of MD Anderson, you’re terrified. You’re not supposed to be here. Much less for your child.

But when our daughter Elise was diagnosed with osteosarcoma — a type of bone cancer — in 2014, we quickly realized that all of the people who work there are gentle and compassionate. And I’m not just talking about the doctors and nurses. I’m talking about the parking...