Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right internal jugular central venous catheter has been removed . Median sternotomy wires appear intact . Lung volumes are relatively normal . There are worsening opacities in the left lung and more mild at the right base . The heart is not enlarged . The mediastinal and hilar contours are normal . The pleural effusions have decreased / resolved . There is no pneumothorax .
    OUTPUT:
    
Worsening opacity predominantly in the left lung may reflect asymmetric pulmonary edema ; however , pneumonia is possible .