Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation or edema . There are no worrisome nodules . There is no pleural effusion or pneumothorax . The mediastinal contours are normal . The heart size is mildly enlarged and unchanged . Sternal wires and mediastinal clips are stable . Surgical clips in the right upper quadrant likely are from a prior cholecystectomy .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Stable mild cardiomegaly .