Hi My Names Megan I Have Been Taking Opiates For

Hi my names megan i have been taking opiates for 3 or 4 years now and now for the past year in a half i have been taking methadone. I have bloody stool lots of mucus cant go number 2 without a suppository and sometimes that dont even work. Ive tried fiber doesnt work. Is it colon cancer?? I dont have insurance right now. I had my appendix tookn out a few months back do u think that they would of seen anything like that then if i did?