Stacie Hammond, 45, learned at her 36-week scan that her baby’s lungs had collapsed and filled with fluid. Little Harleigh Tidd, now three, was born days later but her lungs continued to collapse and re-fill with fluid again. Doctors determined Harleigh had lymphangioleiomyomatosis and chylothorax, and skeletal dysplasia. The diagnosis causes her lymphatic system to…