Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate clear lungs bilaterally without focal consolidation identified . Heart and mediastinal contours are stable in appearance and within normal limits . Hilar contour is unremarkable . There is no pleural effusion or penumothorax . Osseous structures demonstrate no acute abnormality .
    OUTPUT:
    
No acute intrathoracic abnormality .