Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation , nodules , or edema . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal . There is no evidence of hilar lymphadenopathy .
    OUTPUT:
    
No acute cardiopulmonary process ; specifically , no evidence of pneumonia .