A world-renowned team at Children’s Hospital of Philadelphia performed fetal surgery to remove a tumor on the lining of an unborn baby girl’s heart. Months later, she is healthy, thriving, and at home ...

After a routine ultrasound at 24 weeks, Brailey and Louis Valenzuela learned some unexpected news about their baby, Arley — she had an olive-sized tumor on her heart known as pericardial teratoma. “We ...