Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is a large left pleural effusion which is increased from prior exam . Significant left lung collapse with only mild residual residual aeration in the left upper lobe at the apex . Right lung is clear . Cardiac silhouette is mildly shifted to the right . Mediastinal contour appears normal . No bony abnormalities .
    OUTPUT:
    
Intervally increased , large left pneumothorax with near - complete collapse of the left lung .