Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate hyperinflation of the bilateral lungs , as before , with relative flattening of the bilateral hemidiaphragms . There is mild subsegmental atelectasis in the lung bases bilaterally . No pleural effusion , pulmonary edema , pneumothorax , or focal consolidation concerning for pneumonia are identified . The cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Hyperinflation with subsegmental atelectasis bilaterally .