Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient has had a prior left lower lobectomy . Since the prior exam , nodular pleural thickening encasing the left lung has increased at the expense of aeration of the left lung with stable elevation of the left hemidiaphragm . Central adenopathy in the left hilus and adjacent mediastinum has also progressed . The right lung is clear . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Progression of left pleural and nodal metastases .