Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is borderline enlarged . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is present . Minimal streaky atelectasis is seen in the left lower lobe . Slight loss of height anteriorly of a low thoracic vertebral body appears unchanged compared to the previous chest CT . Mild degenerative changes are seen in the imaged thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .