Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate low lung volumes . Diffuse bilateral consolidate opacities with have recurred since prior exam , but are in different distribution . There is no pleural effusion or pneumothorax . Hilar and mediastinal silhouettes are unremarkable . Heart size is top normal .
    OUTPUT:
    
Diffuse bilateral consolidative opacities have recurred in different distribution since prior exams , likely due to interval environmental exposures .