Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes and a suboptimal inspiratory effort . Allowing for changes due to this , the cardiomediastinal silhouettes are within normal limits . Diffuse , centrally predominant interstitial opacities are consistent with pulmonary vascular congestion . There is no focal lung consolidation . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Mild pulmonary edema .