I have had my large and small intestines removed. Only have about inch and a half left of rectum. I do have a iliostomy. I noticed a few days a that I have a blueish black blood blister right inside my rectum. Is this some I should be worried about? I also have had recent problems with my kidneys wich landed me in the hospital with a stint. The stint caused lots of dark bloody urine. My dr took me down to surgery after a week and took out stint and told me I now have a sepsis infection. Should I be concerned about my anus??