Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Evaluation is limited due to the patient 's head obscuring the lung apices . The visualized lungs are clear without focal consolidation , pleural effusion or pneumothorax . The heart is normal in size , and there is no pulmonary edema . The mediastinal contours are normal .
    OUTPUT:
    
No acute cardiopulmonary abnormality .