Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with ___ , no gross change is identified . A right subclavian PICC line is present . The PICC line tip is not optimally visualized , but probably overlies the distal SVC . No pneumothorax detected . Cardiomediastinal silhouette unchanged , with probable mild cardiomegaly , unchanged . . As before , the right hemidiaphragm is elevated . Again seen is mild diffuse increase in interstitial markings . Hazy is seen on only in the right lung , but in the lower portion of the left lung . No upper zone redistribution . No gross effusion detected on either side .
    OUTPUT:
    
Doubt significant interval change . Right greater left increase interstitial markings , elevated right hemidiaphragm and mild cardiomegaly are similar to prior . No pneumomediastinum , pneumopericardium , or pneumothorax detected .