FGFR3 and bronchopulmonary dysplasia: Similar accumulation of mast cell mediators was found in lungs of Fgfr3/4 mutant mice that exhibit Bronchopulmonary Dysplasia (BPD) like pathology and in lungs of children with BPD [34], suggesting that pulmonary mastocytosis could be a common feature found in diffuse lung developmental conditions.