Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Multifocal regions of consolidation are noted , most extensive in the left lower lung and in the retrocardiac region . Less conspicuous right perihilar opacities are also seen . Findings are compatible with pneumonia in the proper clinical setting . There is no large effusion or pneumothorax . Cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications noted at the aortic arch . No acute osseous abnormalities .
    OUTPUT:
    
Multi focal regions of consolidation predominately in the left lung compatible with infection in the proper clinical setting . Repeat after treatment suggested to document resolution .