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 ___ . There are left greater than right pleural effusions , similar in appearance when compared to prior . Superiorly , the lungs are clear . The cardiac silhouette is essentially unchanged . Dual - lead pacing device again seen . Osseous and soft tissue structures are grossly unremarkable . Atherosclerotic calcifications noted in the abdominal aorta as well as abdominal surgical clips .
    OUTPUT:
    
Persistent bilateral effusions with probable superimposed left basilar atelectasis . No acute cardiopulmonary process .