Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left central line has been removed . Mild elevation of the right hemidiaphragm and low lung volumes are unchanged . Cardiomediastinal silhouette , pulmonary vasculature , and aorta are within normal limits . There is no consolidation , pleural effusion , or pneumothorax . Anterior and posterior cervical fusion hardware are re - demonstrated .
    OUTPUT:
    
No acute intrathoracic process . No evidence of pneumonia .