Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable frontal chest radiograph was obtained . A small right pleural pneumothorax has decreased status post chest tube placement . A pulmonary contusion is resolving . There is no new consolidation or effusion . The cardiac and mediastinal contours are normal .
    OUTPUT:
    
Decreased size of right - sided pneumothorax status post chest tube placement .