Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral lung volume is low . In comparison to ___ chest radiograph , the suspected right apical lung opacity is not visualized in this study . There is no consolidation , pneumothorax , or pleural effusion appreciated . The cardiomediastinal silhouette and hilar silhouettes are normal size . No acute bony abnormalities nor evidence of acute fracture . .
    OUTPUT:
    
No acute cardiopulmonary process seen in this study . No evidence of pneumonia .