Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left chest wall port terminates in the lower SVC . The lung volumes are low , with chronic , moderate elevation of the left hemidiaphragm . The prominent loop of colon at the splenic flexure has a very similar appearance from ___ . The heart size is top normal . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
No acute change from the patient 's baseline radiographic appearance .