Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are decreased . The heart is top normal in size . There is tortuosity of the descending aorta . Linear opacity in the right lung base likely reflects atelectasis . There is otherwise no focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
Linear atelectasis at the right lung base . No focal consolidation concerning for an infectious process