Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no significant change since ___ . There are diffuse reticulonodular opacities which is partially due to chronic interstitial lung disease . However given recent development of worsening left basilar opacities since the CT chest on ___ , this suggests a superimposed infectious process . Small bilateral pleural effusions are noted . No pneumothorax . Cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Diffuse bilateral reticular and nodular opacities , more prominent at the left lung base , suggesting chronic interstitial lung disease with superimposed left basilar infection . No significant change since ___ .