Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were provided . There is a hazy retrocardiac opacity as well as opacity projecting posteriorly over the spine on the lateral image consistent with left lower lobe pneumonia . The lung volumes are slightly low . The right lung is clear . There are no pleural effusions and the cardiomediastinal silhouette is unremarkable . The osseous structures are unremarkable .
    OUTPUT:
    
Hazy retrocardiac opacity consistent with left lower lobe pneumonia . Recommend treatment and followup chest x-ray to resolution . These findings were discussed with Dr . ___ by Dr . ___ ___ telephone at 3 :00 p .m .