Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left subclavian PICC line has been repositioned -- the tip now overlies the distal most SVC . No pneumothorax is detected . An NG tube is present , it extending beneath diaphragm , off film . The sideport overlies the upper stomach , distal to the GE junction . The cardiomediastinal silhouette is unchanged . There is upper zone redistribution and mild vascular plethora . Doubt overt CHF . Again seen is patchy opacity in the right perihilar and infrahilar regions and , to a lesser extent , in the left infrahilar regions . Suspect slight interval improvement in left perihilar opacity . Opacification of the left costophrenic angle is again noted . It is possible this is artifactual , related to overlying soft tissues . No gross effusion . .
    OUTPUT:
    
Bilateral patchy ___- and infrahilar opacities again seen , with possible minimal improvement on the left . Mild vascular plethora , unchanged . PICC line tip overlying distal SVC . NG tube tip and side - port both below the diaphragm .