Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no focal consolidation to suggest pneumonia . Heart size is top normal , but unchanged . A left - sided hemodialysis catheter is seen terminating in the right atrium . There is no pneumothorax or pleural effusion . The mediastinal silhouette is unremarkable .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .