Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are ill - defined opacities in the right mid and lower lung zones . Additionally , a more subtle opacity is present in the left mid lung zone . There is no pneumothorax . A small right pleural effusion may be present . There is no left pleural effusion . The mediastinal contours are normal . The heart size is mildly enlarged .
    OUTPUT:
    
Bilateral ill - defined consolidations could represent either asymmetric non-cardiogenic pulmonary edema or multifocal pneumonia .