Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size remains mildly enlarged . The aorta is unfolded . Previously noted nasogastric tube has been removed . The pulmonary vascularity is not engorged . Elevation of left hemidiaphragm is stable . There is mild associated linear atelectasis in the left lower lobe . Right lung is clear . No focal consolidation , pleural effusion or pneumothorax is present . Mild degenerative changes of the thoracic spine are present . Partially imaged is cervical spinal fusion hardware .
    OUTPUT:
    
Elevation of left hemidiaphragm with associated left lower lobe atelectasis . No evidence for pneumonia .