Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The aorta is mildly tortuous and calcified . There is a intra-aortic balloon pump with the tip obscured . An exact measurement below the aortic knob can not be obtained . It is at least in the upper descending aorta . There is patchy areas of alveolar edema . There is mild pulmonary vascular redistribution . There is no pleural effusion . There is no focal infiltrate .
    OUTPUT:
    
Intra aortic balloon pump in the upper to mid descending thoracic aorta . No pleural effusion . No convincing findings for pneumonia