Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart appears mildly enlarged . The mediastinal and hilar contours are unremarkable . Trace pleural effusions are detectable bilaterally on the lateral view along the posterior costophrenic sulci . The lungs appear clear . There is no pneumothorax .
    OUTPUT:
    
Cardiomegaly and trace pleural effusions ; otherwise unremarkable .