Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previously seen right upper lobe perifocal opacity has decreased in area and prominence . There is no pneumothorax . There are no new areas of opacity . There are no masses or lesions identified . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is stable and within normal limits . The pleural surfaces are unremarkable .
    OUTPUT:
    
Perifocal opacity corresponding to biopsy site is reduced in size and prominence . No pneumothorax or effusion identified .