Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine chest film ___ at 17 :05 is submitted .
    OUTPUT:
    
An intra-aortic balloon pump is seen with the tip 5 cm below the top of the aortic knob . No pulmonary edema . No focal airspace consolidation to suggest pneumonia . No pleural effusions or pneumothorax . Overall cardiac and mediastinal contours are within normal limits given portable technique .