Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate mildly enlarged cardiac silhouette . The mediastinal and hilar contours are normal . There is mild pulmonary edema , worse from prior . Small pleural effusions are improved . Opacity in the right lower lobe and could represent atelectasis although superimposed infection is also possible ; however , it appears improved compared to the prior study . No pleural effusion or pneumothorax .
    OUTPUT:
    
Fluid overload with mild cardiomegaly , small bilateral pleural effusions and mild pulmonary edema . Atelectasis or infection in the right lower lobe is improving .