2987753 LPVC laryngoplasty and ventriculocordectomy 1 2987752 LPVC laryngoplasty with ipsilateral ventriculocordectomy 1 2987747 LPVC laryngoplasty/vocal cordectomy 1 2987748 LPVC liver-to-portal vein contrast 1 2987749 LPVC local pixel value collection 1 2987750 LPVC low percent vital capacity 1 2987751 LPVC lung pressure-volume curve 1