Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates clear lungs bilaterally . No focal consolidation suggest pneumonia is seen . Cardiomediastinal and hilar contours are stable when compared to prior study dated ___ , within normal limits . There is no pleural effusion , pneumothorax , or pulmonary edema .
    OUTPUT:
    
No acute intrathoracic abnormality .