Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided subclavian central line tip terminates in the low SVC . There is no focal consolidation , effusion or pneumothorax . Opacification within the right middle lobe is consistent with atelectasis . Cardiomediastinal silhouette is stable .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Mild right lower lobe atelectasis .