Is black stool kidney cancer?

Kidney cancer refers to kidney cancer, stool black may be kidney cancer, may also be caused by other reasons.

Kidney cancer is a malignant tumor of the urinary system, may appear hematuria, lumbago and other symptoms, early generally do not appear stool black situation, but cancer cells metastasize to the digestive tract, digestive tract tumor rupture bleeding, a small amount of bleeding after oxidation, may lead to stool black may also be related to other factors, such as eating foods containing a lot of iron, gastric ulcer, gastric varicose bleeding

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