Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrate clear lungs bilaterally . No focal consolidation convincing for pneumonia is identified . Heart size is within normal limits . Mediastinal and hilar contours are unremarkable . No overt pulmonary edema , pleural effusion , or pneumothorax .
    OUTPUT:
    
No acute intrathoracic abnormality .