Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . When compared to yesterday 's exam , there has been interval progression of the right lung base consolidation which is now more confluent . There is also patchy opacity at the left lung base as well . Increased interstitial markings are seen throughout the lungs . The cardiomediastinal silhouette is unchanged . No acute osseous abnormality is identified . Lower lumbar posterior fixation hardware is only partially visualized .
    OUTPUT:
    
Bibasilar opacities progressed since yesterday 's exam with more dense consolidation at the right lung base , worrisome for pneumonia . Increased interstitial opacities extending more superiorly in the lungs , which could also represent a component of infection as well . Recommend repeat after treatment to document resolution .