Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mildly enlarged cardiac silhouette is again noted . The mediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . The lungs are well - expanded and clear without focal consolidation concerning for pneumonia . Pulmonary vasculature within is within normal limits .
    OUTPUT:
    
Mildly enlarged cardiac silhouette ; differential includes mild cardiomegaly or small pericardial effusion . Resolution of small right pleural effusion . No findings concerning for overt volume overload .