Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is mild cardiomegaly . The hilar and mediastinal contours are otherwise normal . There is no pneumothorax . There is a small right pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
Small right pleural effusion and mild cardiomegaly . No airspace consolidation or pulmonary edema .