Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs through the chest demonstrate clear lungs bilaterally with no focal consolidation identified . The cardiomediastinal and hilar contours are within normal limits . There is no pleural effusion . There is no pneumothorax . Incidental note is made of pectus carinatum . Osseous structures are otherwise unremarkable .
    OUTPUT:
    
No acute intrathoracic abnormality .