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Colorectal Cancer
Symptoms and Diagnosis
Common Signs and
Symptoms
When colorectal cancer first develops, there may be no symptoms at
all. But as the cancer grows, it can cause changes that people
should watch for. Common signs and symptoms of colorectal cancer
include:
- a
change in the frequency of bowel movements
-
diarrhea, constipation, or feeling that the bowel does not empty
completely
-
either bright red or very dark blood in the stool
-
stools that are narrower than usual
-
general abdominal discomfort such as frequent gas pains, bloating,
fullness, and/or cramps
-
either bright red or very dark blood in the stool
-
stools that are narrower than usual
-
general abdominal discomfort such as frequent gas pains, bloating,
fullness, and/or cramps
-
weight loss with no known reason
-
constant tiredness
-
vomiting
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