Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right central venous catheter has been removed in the interim , and there has been placement of a left IJ approach hemodialysis catheter , the tip of which projects over the right atrium . There are low lung volumes ; small bilateral pleural effusions are decreased from ___ . Left lower lobe consolidation is little changed . The pulmonary vasculature is normal . There is no pneumothorax . The cardiac silhouette is slightly increased in size from prior , the aortic arch appears unfolded as a result of low lung volumes .
    OUTPUT:
    
Improving left lower lobe pneumonia and decreasing small pleural effusions .