Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . There are diffuse bilateral interstitial opacities which are significantly improved compared with prior exam . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . Biapical pleural parenchymal scarring is present . A new right - sided IJ line ends in the mid SVC .
    OUTPUT:
    
1 . Significant interval improvement of interstitial edema . 2 . Right - sided IJ line in the mid SVC .