1 doctor weighed in:

When colon cancer reach a level that causes anemia blood in stool became visible or stool became dark or rectal bleeding has started am I right?

1 doctor weighed in
Dr. Gurmukh Singh
Pathology

In brief: Not necessarily

Slow bleeding from colon cancer can lead to anemia, without visible blood or black tarry stools.
More often than not, anemia is the presenting symptom, especially for right sided colon cancers.

In brief: Not necessarily

Slow bleeding from colon cancer can lead to anemia, without visible blood or black tarry stools.
More often than not, anemia is the presenting symptom, especially for right sided colon cancers.
Dr. Gurmukh Singh
Dr. Gurmukh Singh
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