Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded . Oblique linear band in the right upper lobe with surgical clip is compatible with post treatment changes and prior resection of a mass . Streaky opacity in the left costophrenic angle likely reflects scarring or atelectasis . The heart is mildly enlarged . Mediastinal contours are unchanged . Left pectoral pacemaker device is unchanged . No pulmonary edema , effusion , or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process of . No pulmonary edema .