Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The aorta is tortuous . The pulmonary vascularity is normal . Subsegmental atelectasis in the left lung base is present . No focal consolidation , pleural effusion , or pneumothorax is present . No acute osseous abnormality is present . No acute osseous abnormality is seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .