Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right - sided mediastinal mass is again visualized . Right chest tube is been removed . There is a small right inferior pneumothorax . There is an 8 mm opacity that projects over the left first rib anteriorly . This was not present on the prior studies and is felt to be bony in the etiology . The left lung is clear
    OUTPUT:
    
New small right inferior pneumothorax