Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac contour is enlarged , likely at least partly exaggerated by positioning . The mediastinal contours are unremarkable . There is no pleural effusion or pneumothorax . There are slightly low lung volumes with mild right basilar atelectasis , but no focal consolidation concerning for pneumonia . Spinal stimulator devices are again seen .
    OUTPUT:
    
No focal consolidation concerning for pneumonia .