Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are within normal limits . There is mild levoscoliosis throughout the thoracic spine . A fiducial seed is again seen within the left upper lobe . Since ___ , there is a new faint linear opacity just superior and lateral to the fiducial seed , which may represent post-radiation fibrosis . No definite consolidation , pneumothorax , or pleural effusion is seen .
    OUTPUT:
    
New faint linear opacity at the lateral aspect of the left upper lobe , adjacent to the fiducial seed , likely representing post - CyberKnife fibrosis . No consolidations or effusions detected . The findings were discussed by Dr . ___ with Dr . ___ at the time of interpretation , 2 :36 p .m . on ___ .