hi ive been a poster on here a long time have cancer phobia and bad ha i suffer from fibromyalgia with worst pain in my rib cage however i am seriously worried about PC my poos sorry if TMI are lighter brown lately and float a lot of the time this is one of the signs my left rib cage hurts i got tested and was borderline diabetic last year i havent lost weight really or appetite but im scared because of the poos its PC i cant cope please advise