What Do Sweet Smelling Skin And Stools With Rectal Bleeding Suggest?

There is a sweet smell about me my room smells sweet my skin smells sweet even my stool I have had rectal bleeding over the last 6 months they have done a lot of testing and have not found the source as of yet twice now it has been to close of a call for a blood transfusion my thyroid functions at 30 percent I am not diabetic and my liver count will just spike all of a sudden