Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hypoinflated with crowding of vasculature and bibasilar atelectasis . Trace bilateral effusions again noted . There is no pneumothorax . Persistent mild cardiomegaly is likely accentuated due to low lung volumes . Mediastinal contour and hila are unremarkable .
    OUTPUT:
    
Bibasilar atelectasis and trace effusions . No pneumonia .