Hi, this is from the NHS website and should help...
CIN 1 cells indicate that up to a third of cells in the affected area of your cervix are abnormal. Your specialist will advise about the best course of treatment. Treatment is not always recommended for CIN 1 because the cells return to normal without treatment in about 60% of cases.
CIN 2 cells indicate that up to two thirds of cells in the affected area of your cervix are abnormal. If you have CIN 2 cells, you will usually need to have these removed.
CIN 3 or CGIN cells indicate that all of the cells in the affected area of your cervix are abnormal. If this is the case, these cells will need to be removed.
I also had CIN3 removed by lletz over 5 weeks ago, it didn't actually state there were clear margins but I'm assuming they have removed them all otherwise the would have called me back in??
As has already been mention CIN is not cancer but precancerous cells which would be likely to turn cancerous if left alone. I hope you are not suffering too much x