Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left IJ dialysis catheter terminates in the right atrium . There is worsening confluent right middle lobe opacification since ___ . The left lung is clear . Heart size is stable . The mediastinal and hilar contours are stable . The pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . Left IJ dialysis catheter in appropriate positioning . 2 . Worsening right middle lobe consolidation , which may represent pneumonia or hemorrhage .