Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs demonstrate linear streaky opacities at the bases bilaterally , compatible with atelectasis . There is no focal consolidation concerning for pneumonia . Cardiomediastinal silhouette is normal and there is no pleural effusion or pneumothorax .
    OUTPUT:
    
Moderate bibasilar atelectasis , however no evidence of pneumonia or heart failure .