Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Interval removal of PICC line and dialysis catheter . Extensive ground - glass opacity within both lungs is concerning for edema , less likely diffuse pneumonia . No large effusion is seen . Heart size remains mildly prominent . Mediastinal contour is unchanged . Hila are congested . Bony structures are intact .
    OUTPUT:
    
Congestion with moderate pulmonary edema , difficult to exclude a superimposed pneumonia .