Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Prior left - sided central venous catheter is no longer visualized . Streaky left basilar opacity is likely atelectasis . The lungs are otherwise clear . There is no effusion , consolidation , or edema . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .