Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation is seen . There is mild basilar atelectasis . Re - demonstrated on the lateral view is thickening / linear opacity along the right major fissure . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable and stable .
    OUTPUT:
    
Re - demonstrated opacity along the right major fissure , better assessed on prior chest CT from ___ at which time atypical mycobacterial infection was suggested . Mild basilar atelectasis .