Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiographs of the chest . There is interval resolution of the fullness of the right mediastinum , with interval improvement in the right basilar atelectasis . Surgical clips are seen overlying the right mediastinum , reflective of previous surgery . No acute consolidation is identified . No pleural effusion or pneumothorax is detected . The cardiac contour is normal . Persistent elevation of the right hemidiaphragm is again noted , possibly related to phrenic nerve injury . The trachea is midline .
    OUTPUT:
    
1 . Interval improvement in right mediastinal fullness with now midline trachea . 2 . Interval improvement in right basilar atelectasis . 3 . No focal consolidation . 4 . Continued elevation of right hemidiaphragm .