Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A tracheostomy tube and right internal jugular catheter are unchanged in position and appropriately placed . The cardio mediastinal and hilar contours are normal . The pulmonary vasculature is normal . There is minimal left basal atelectasis with no evidence of pulmonary edema .
    OUTPUT:
    
1 . Mild left basal atelectasis . 2 . No evidence of pulmonary edema .