Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided Port - A - Cath tip terminates in the proximal right atrium , unchanged . Lung volumes are low . Small right pleural effusion appears relatively unchanged compared to the prior exam . There are diffuse coarse interstitial markings within both lungs compatible with known chronic interstitial lung disease . There is likely mild pulmonary vascular engorgement . No pneumothorax is identified . Right basilar opacification is unchanged , and could reflect a combination of atelectasis and chronic interstitial lung disease .
    OUTPUT:
    
No significant interval change from prior . Diffuse coarse interstitial markings compatible with chronic interstitial lung disease . Small right pleural effusion . Mild pulmonary vascular congestion .