Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . There prior new confluent regions of consolidation in the left lung with air bronchograms . The right lung remains grossly clear . The right hilum is enlarged , stable in configuration . Cardiomediastinal silhouette is unchanged . No acute osseous abnormalities detected .
    OUTPUT:
    
Confluent regions consolidation and the left lung compatible with pneumonia in the proper clinical setting . Recommend repeat after treatment to document resolution and to exclude underlying mass lesion .