Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . Possible bibasilar atelectasis . No pneumothorax or pleural effusion is seen . The cardiac and mediastinal silhouettes are unremarkable . Right chest port tip in lower SVC .
    OUTPUT:
    
Possible bibasilar atelectasis . No evidence of pneumonia