Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest show interval removal of a right chest tube with a 2 .3 cm right apical pneumothorax . The lungs are grossly clear . The cardiomediastinal and hilar contours are normal . There is no pleural effusion .
    OUTPUT:
    
Small to moderate right apical pneumothorax after chest tube removal .