Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal chest radiograph demonstrates interval placement of right pigtail catheter projecting over the right mid lung . There is a small apical pneumothorax which persists but is mproved without evidence of tension . Bilateral small pleural effusions and pneumoperitoneum persist unchanged . The left lung is grossly clear . The cardiomediastinal and hilar contours are within normal limits . Air within the subcutaneous tissues is present along the right lateral wall seen on prior examinations overall unchanged .
    OUTPUT:
    
Interval placement of chest tube with decreased right apical pneumothorax .