Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since same day chest radiograph , acutely increased opacities in the region of RFA in the left lower lung may represent hemorrhage . Again , the known left pulmonary nodules are not well seen on this exam , and better assessed on recent CT Chest . The right lung is clear . The heart size is normal . No pneumothorax or pulmonary edema .
    OUTPUT:
    
1 . Increased opacities in the region of RFA in the left lower lung since earlier same day chest radiograph may represent pulmonary hemorrhage .