Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Numerous mediastinal vascular clips and median sternotomy wires unchanged since the prior study reflect prior CABG . Top normal heart size is stable . The lungs are clear and there is no pleural effusion or pneumothorax . The pulmonary vasculature is not engorged . The trachea is midline . Right upper quadrant vascular clips are compatible with prior cholecystectomy . Left upper quadrant calcification is described in the report of abdomen radiographs , performed concurrently . There is no pneumoperitoneum .
    OUTPUT:
    
1 . No acute cardiopulmonary process . No pneumoperitoneum . 2 . See report of concurrent abdomen radiographs .