A 3-month-old male presented to pediatric dermatology for evaluation of a persistent “belly button bump.” The child’s umbilical cord detached uneventfully at 2.5 weeks of age.

W hen then-3-year-old Clayton Moorse’s parents tried dressing him in a shirt he wore only a few weeks earlier, ... Boy, 3, had a bloated belly. It was the 1st sign of this childhood cancer.