Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs remain hyperinflated . There is platelike atelectasis at the left lung base seen on the frontal view , not well seen on the lateral view . No pleural effusion is seen . No definite focal consolidation . No pneumothorax . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Left base atelectasis and persistently hyperinflated lungs .