Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild hyperinflation of the lungs results in relative flattening of both hemidiaphragms . The lungs are grossly clear , with no pneumothorax , pleural effusion , pulmonary edema , or focal airspace opacity . The cardiomediastinal silhouette is unremarkable . No displaced rib fractures are identified .
    OUTPUT:
    
Hyperinflation , with no displaced rib fracture or focal airspace consolidation .