Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right IJ central venous catheter is in satisfactory and unchanged position . Diffuse interstitial opacities are unchanged . No new consolidation is appreciated but impossible to exclude due to the diffuse interstitial opacities . There is chronic unchanged cardiomegaly . The mediastinum is unchanged . No pleural effusion . No pneumothorax . No fractures .
    OUTPUT:
    
1 . Diffuse interstitial opacities with no significant change from prior . 2 . No new consolidation is appreciated but impossible to exclude due to the diffuse interstitial opacities .