Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is a small left apical pneumothorax . No midline shift or other signs of tension are seen . No focal consolidation or pleural effusion is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Small left pneumothorax . Emergency department and thoracic surgery aware at 10 :30 a .m . on ___ .