Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar predominantly linear opacities favor atelectasis over infectious pneumonia . There is suggestion of mild pulmonary vascular congestion , without overt pulmonary edema . Heart size is mildly enlarged .
    OUTPUT:
    
1 . Mild pulmonary vascular congestion . 2 . Bibasilar opacities are more suggestive of atelectasis than pneumonia . .