Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are normal . A patchy and linear area of opacity is present in the lingula , and is new compared to recent CT of ___ . At that time , the conducting airways to this region were normal in appearance with no evidence of obstructing airway lesions . Lungs are otherwise clear , and there are no pleural effusions . Cardiomediastinal contours are normal .
    OUTPUT:
    
Patchy and linear lingular opacities are most suggestive of atelectasis . Short - term followup radiograph could be considered to ensure resolution if warranted clinically .