Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright PA and lateral radiographs of the chest . The lungs are normally expanded and clear . There is no focal airspace consolidation . There is likely mild cardiomegaly . The mediastinum and hilar contours are normal . Pulmonary vascularity is normal and symmetric . There is no evidence of frank pulmonary edema . There is no pleural effusion or pneumothorax detected .
    OUTPUT:
    
Normal radiographs of the chest . No acute cardiopulmonary abnormality detected .