Group 2 : At 1 week follow-up , 48 patients ( 28 % ) reported no pain , 101 ( 59 % ) reported moderate pain , and 21 ( 13 % ) intense pain ; 1 month after the procedure , 81 patients ( 47.6 % ) had no pain , 72 ( 42.4 % ) complained of moderate pain , and 17 ( 10 % ) of severe pain ; 1 year after surgery , 11 patients ( 6.5 % ) had constant pain , and two of them were re-admitted for surgery .