Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the prior examination , there has been improvement in confluent airspace disease is well is interstitial markings , consistent with improved edema . Mild indistinctness of the pulmonary vasculature and possible septal lines may represent mild residual edema . The cardiac silhouette is unremarkable . A right - sided chest port is noted , terminating in the mid to low SVC . There is no large pleural effusion or pneumothorax . Linear bibasilar opacities may represent bibasilar atelectasis .
    OUTPUT:
    
No definite focal consolidation identified . Improved pulmonary edema