Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Analysis is performed in direct comparison with the next preceding similar study of ___ . Comparison confirms that the right - sided chest tube which terminated in the apical area has been pulled back by about 3 cm . Previously described remaining small apical pneumothorax remains practically unchanged . Also , the previously described pleural thickenings and elevation of the right - sided diaphragm remains practically unchanged . Heart size remains normal , and there is no pulmonary vascular congestive pattern in the left - sided hemithorax with grossly normal appearance .
    OUTPUT:
    
Adjustment of chest tube position , but no other significant interval changes .