Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear bilaterally . No focal consolidations , pleural effusions or pneumothorax . No pulmonary edema . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
No radiographic evidence of pneumonia , pulmonary edema or pneumothorax .