Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , accounting for bronchovascular crowding . No focal opacities are identified . There are moderate bilateral pleural effusions . There is no pneumothorax . Healed rib fractures in the right . CSF Shunt catheter seen traversing along the right hemi thorax , ending just below the right hemidiaphragm margin .
    OUTPUT:
    
No evidence of pneumonia . Moderate bilateral pleural effusions . CSF Shunt catheter ends just below the right hemidiaphragm margin .