Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a right chest wall port with the tip terminating in the low SVC / cavoatrial junction . The cardiomediastinal silhouette is normal in the lungs are well aerated . A linear opacity in the left lower lobe is consistent with atelectasis or scarring . There is no focal consolidation , pleural effusion , or pneumothorax . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .