Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size and pulmonary vascularity are large , worsened since prior . Mild bibasilar opacities , likely atelectasis . Suggestion of small left pleural effusion . Sternotomy . No pneumothorax .
    OUTPUT:
    
Increased heart size , pulmonary vascularity , mildly worsened since prior . Bibasilar opacities , likely atelectasis .