How effective is chemotherapy for colon cancer?

The symptoms may be the result of anemia caused by chemotherapy.

Three months after surgery and chemotherapy the patient is likely to be feeling the after-effects, which often includes anemia because of bone-marrow suppression. There is no evidence that the patient is immunosuppressed, and fatigue is not a typical symptom of immunosuppression. The information given does not indicate that depression or dehydration is a cause of her symptoms.