Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild to moderate cardiomegaly is present . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . Streaky opacities in the lung bases likely reflect atelectasis , without focal consolidation . No pleural effusion or pneumothorax is visualized . There are no acute osseous abnormalities .
    OUTPUT:
    
Minimal bibasilar atelectasis . No focal consolidation to suggest pneumonia .