Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were compared to previous exam from ___ . Right PICC is seen with tip in the upper SVC . Dual - lead pacing device again seen with coronary sinus and right ventricular leads . Indistinct pulmonary vascular markings seen bilaterally suggesting component of interstitial edema . There is still persistent basilar opacity on the lateral view , suggesting atelectasis ; however , superimposed infection is not excluded . Cardiac silhouette is enlarged , but stable . Osseous and soft tissue structures are unchanged , noting hypertrophic changes in the spine .
    OUTPUT:
    
Findings suggestive of interstitial edema with basilar opacity in the lateral view , potentially due to atelectasis ; however , infection is not completely excluded .