Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac size is normal . The appearance of the mediastinum is stable . Small right effusion is stable . Left lower lobe opacities have minimally increased consistent with the increasing atelectasis . There is no evident pneumothorax
    OUTPUT:
    
Minimally increased left lower lobe atelectasis . No pneumothorax . Small right effusion .