Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no evidence of focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . There is no evidence of radiopaque foreign body visualized within the intrathoracic trachea . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
No radio - opaque foreign body or acute cardiopulmonary process .