Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The lungs are well expanded and clear without focal consolidation , pleural effusion or pneumothorax . The left lower lobe is re-expanded with minimal residual atelectasis . Heart size is normal . Mediastinal silhouette and hilar contours are normal .
    OUTPUT:
    
Interval resolution of left lower lobe collapse with minimal residual left basilar atelectasis .