Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart appears to be mildly enlarged . There is prominence of the left atrium as previously seen on CT scan . The cardiomediastinal contours remain unremarkable , otherwise . Both costophrenic angles are blunted secondary to a combination of consolidation and small bibasilar pleural effusions . No pneumothorax .
    OUTPUT:
    
Mild cardiomegaly and enlarged left atrium . Bibasilar consolidation and small bilateral pleural effusions .