Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral chest radiograph demonstrates no focal consolidation . Lungs are clear bilaterally . Heart size is upper limits of normal . Mediastinal and hilar contours are unremarkable . There is no evidence of pulmonary edema . There is no pleural effusion or pneumothorax . Imaged osseous structures and upper abdomen demonstrate no acute abnormality .
    OUTPUT:
    
No acute intra thoracic abnormality .