Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A pigtail catheter is seen projecting over the right midlung . There is a small residual apical pneumothorax . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Lungs are clear . No pleural effusion is seen . There are no acute osseous abnormalities . Left shoulder arthroplasty is noted .
    OUTPUT:
    
Right chest tube projecting over the right mid hemithorax with a small right apical pneumothorax .