Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to chest radiographs from ___ , moderate central vascular congestion has minimally improved . Moderate cardiomegaly is stable . Lung volumes remain low . Small left pleural effusion has improved . Tiny right pleural effusion persists . Persistent mild bibasilar opacities likely reflect atelectasis . No pneumothorax .
    OUTPUT:
    
1 . Minimally improved central vascular congestion without overt pulmonary edema . Stable moderate cardiomegaly . 2 . Improved small left pleural effusion . Persistent tiny right effusion . 3 . Unchanged mild bibasilar opacities , suggestive of atelectasis .