Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal hilar contours are normal . The pulmonary vasculature is normal . Subsegmental atelectasis is noted within the right lung base . No focal consolidation , pleural effusion or pneumothorax is present . No acute osseous abnormalities seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .