Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Semi-upright portable radiograph of the chest demonstrates the relatively low lung volumes . The cardiomediastinal silhouette is unremarkable . There is no evidence of pulmonary edema , pleural effusion , pneumothorax or focal consolidation concerning for pneumonia . Cervical fusion hardware is partially visualized .
    OUTPUT:
    
No acute cardiopulmonary process .