Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is enlarged , but unchanged . There is stable plueral thickening seen at the bases . There is bibasilar atelectasis . The mediastinum is unremarkable . No pulmonary edema or pneumothorax .
    OUTPUT:
    
Stable cardiomegaly and pleural thickening . No acute process .