Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs appear mildly hyperinflated with flattened diaphragms . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top normal . Mediastinal silhouette is unchanged . Left PICC has since been removed .
    OUTPUT:
    
No acute cardiopulmonary process or evidence of pneumonia .