Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a right - sided chest tube which appears changed in orientation in comparison to the prior chest radiograph , however there is no pneumothorax . There is a small amount of right basilar atelectasis . The lungs are otherwise clear . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . No pleural effusion is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . Chest tube in appropriate positioning , without evidence of pneumothorax . 2 . Small amount of right basilar atelectasis .