Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are multifocal lung opacities including a right basilar opacity which obscures the medial hemidiaphragm and a retrocardiac opacity . There is no pneumothorax or pleural effusion . Cardiomediastinal silhouette is normal . There is no acute osseous abnormality .
    OUTPUT:
    
Findings concerning for multifocal pneumonia . Possibility of more chronic bibasilar interstitial lung disease and bronchiectasis can not be resolved without comparison to prior chest radiographs or CT scanning .