Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is again elevation of the right hemidiaphragm , seen on the prior study , however the lungs are clear with no evidence of effusion or pulmonary edema . There is a stent in the left axilla , with a mild kink in the midportion of the stent , as before . Heart size is normal and there is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Low lung volumes with no evidence of pneumonia . 2 . Stable mild kink in the midportion of the left axillary vascular stent unchanged .