Converting DVH and pDVH0126 , top10 % to rectal NTCPs , we observed 94 of 219 patients ( 42.9 % ) with 5 % excess risk , 20 of 219 patients ( 9.1 % ) with 10 % excess risk , and 2 of 219 patients ( 0.9 % ) with 15 % excess risk .