Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrate clear lungs bilaterally with no focal consolidation convincing for pneumonia . Heart size is within normal limits . Mediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . Imaged osseous structures and upper abdomen are without an acute abnormality .
    OUTPUT:
    
No acute intrathoracic abnormality .