Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest are limited by patient 's inability to follow directions . Compared to prior radiographs , there are decreased lung volumes . The lungs are otherwise clear with no evidence of focal consolidation . The cardiac and mediastinal contours are normal . No pleural effusion or pneumothorax is appreciated .
    OUTPUT:
    
No evidence of pneumonia .