Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . The central pulmonary vasculature is engorged , without overt edema . Bibasilar linear type opacities , worse at the left , are most compatible with atelectasis , though small underlying consolidation can not be entirely excluded . There is no pneumothorax or pleural effusion . Mild degenerate changes throughout the thoracic spine are unchanged since ___ .
    OUTPUT:
    
1 . Mild bibasilar atelectasis , worse on the left . A small underlying consolidation can not be entirely excluded . 2 . Central pulmonary vascular congestion , without overt edema . Top - normal heart size .