Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right apical pneumothorax has improved since ___ , but is worsening compared to the most recent CXR performed yesterday evening . No evidence of tension . Right chest tube and epigastric drain are unchanged in position . Left subclavian line terminates in the mid-SVC . The mediastinum , hila and heart are within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Interval worsening of right apical pneumothorax since ___ , without tension .