Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright portable view of the chest demonstrates normal lung volumes . Costophrenic angles are blunted bilaterally , suggestive of small pleural effusions . There is moderate cardiomegaly and upper lobe vascular redistribution are chronic . Predominantly bibasilar redistribution of airspace opacities over the past three hours is good evidence that the process is hydrostatic edema . The most pronounced opacification , in the right upper lobe , abutting the minor fissure , might well be concurrent pneumonia . Hilar and mediastinal silhouettes are unremarkable . Descending aorta is slightly tortuous with aortic arch calcifications . There is no pneumothorax . The imaged upper abdomen is unremarkable .
    OUTPUT:
    
Moderate cardiomegaly , small bilateral pleural effusions , edema have slightly improved since ___ exam . Possible right upper lobe pneumonia .