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Colon Cancer

Cancer of Rectum or Anus



Once a person has the symptom of bright red blood and there is a possibility of rectal or anal cancer how long would it be before other symptoms would appear - diarrhea/constipation/thin stools, abdominal pain, obstruction, frequency/urgency, etc.? In other words how long can there be bleeding before other symptoms?


Bright red blood coming out from the rectum may be your only sign for possible rectal or anal cancer. As such, if you are experiecing this type of symptom, you need to see your attending physician urgently.

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Response by:

Tanios   Bekaii-Saab, MD Tanios Bekaii-Saab, MD
Assistant Professor of Medical Oncology
Associate Professor of Pharmacology
College of Medicine
The Ohio State University