Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left lower lobe consolidation has mildly worsened . Improved left perihilar infiltrate . Tiny left pleural effusion has improved . Thoracolumbar curve . Postoperative changes upper abdomen . Mild volume loss in the left chest stable . Right lung is clear . Normal pulmonary vascularity and heart size .
    OUTPUT:
    
Increase consolidation left lung base , with stable mild volume loss , possibly all from atelectasis , component of pneumonitis can not be excluded . Improved now tiny left pleural effusion .