Bleediing, and pain, and a perianal mass are the presenting symptoms, these can be from anal cancer and/or hemorrhoids.
Anal fissure is also possible. Other cancers, like prostate can show up as an irregular mass on rectal exam. Colon cancer can have altered bowel habits, a positive fecal occult blood test, and fatigue from anemia seen on blood smear. See your doctor to be sure what you have.
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