Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low accentuating the cardiac silhouette and pulmonary vasculature . Left subclavian approach Port - A - Cath tip terminates in the high right atrium . Heart size is normal . Cardiomediastinal silhouette and hilar contours are unremarkable . Lungs are clear . Pleural surfaces are clear without effusion or pneumothorax .
    OUTPUT:
    
No obvious evidence of pneumonia , though lung volumes are low and a lateral view would be helpful for more complete evaluation .