Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lateral view is partially obscured by patient 's overlying arm . No focal consolidation , pleural effusion , or pneumothorax is seen . Heart and mediastinal contours are within normal limits . There is possible focal narrowing of the distal trachea vs artifact .
    OUTPUT:
    
1 . No focal consolidation to suggest pneumonia 2 . Possible focal narrowing of the distal trachea vs artifact . Further evaluation is recommended with non-emergent CT . This finding and recommendation were e-mailed to the ED QA nurses at 9 p .m . on ___ .