Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . Apart from minimal subsegmental atelectasis in the left mid lung field , the lungs are clear . No focal consolidation , pleural effusion or pneumothorax is present . Right - sided VP shunt catheter is incompletely imaged . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .