Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiographs of the chest demonstrate slightly decreased inspiratory lung volumes . The lungs are clear without focal consolidation concerning for pneumonia , pleural effusion , or pneumothorax . Slightly increased opacification of the right heart border is consistent with mild atelectasis . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits . The pulmonary vasculature is not engorged .
    OUTPUT:
    
No acute cardiopulmonary process .