Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , there is no change in a small right apical pneumothorax . There is no evidence of tension . There is no focal consolidation . There is a small right pleural effusion . The cardiac and mediastinal silhouettes are unremarkable . Healing right - sided rib fractures are again seen . There is severe scoliosis .
    OUTPUT:
    
No change in small right apical pneumothorax .