Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrate no focal opacity convincing for pneumonia . Prior right basilar opacity appears to have resolved . Cardiomediastinal silhouette is within normal limits . No evidence of pulmonary edema . There is no pleural effusion or pneumothorax . Osseous structures demonstrates no acute abnormality .
    OUTPUT:
    
No acute intrathoracic abnormality .