Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chronic reticular nodular opacities at the left lung apex are re - demonstrated . Ill - defined medial right lung apex opacity is also stable . Previously seen right base opacity has significantly improved and essentially resolved in the interval . No definite new focal consolidation is seen . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . Persistent left greater than right bilateral upper lung opacities , chronic .
    OUTPUT:
    
Persistent left greater than right bilateral upper lung opacities , chronic , possibly from prior granulomatous disease . No definite new focal consolidation .