Go to your local county health dept and they will help you...my county just allowed me to have mine removed..you must or it will cause you to expire...whoever told you not to worry cause other people have cancer is a lunatic and I would never speak to them again..totally apathetic. An unfinished root canal can cause a sinus thrombosis which once infecting your sinuses will cause a A very painful death and is impossible most of the time to cure. Info from merk manual