Rectal bleeding often reveals itself as bright red blood on the toilet paperâ€”
Rectal bleeding (bleeding from the bottom) is often noticed as small amounts of. Bleeding from the bottom is sometimes a sign of bowel cancer.. Bright red blood on toilet paper, streaks on poo, pink toilet water. Bright red blood and pain when pooing â€“ often after constipation, a small tear in your anus (anal fissure).