Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . There has been interval placement of a tracheal stent , which appears in good position . There is mild left basilar plate - like atelectasis . The lungs are otherwise clear with no focal consolidation , pneumothorax or effusions . The cardiomediastinal silhouette is unchanged . Old right ribcage deformity is again identified .
    OUTPUT:
    
1 . Interval placement of tracheal stent , which appears in good position . 2 . No acute intrathoracic abnormality .