Blood in stool does not necessarily indicate cancer but requires follow - up.

粪便中发现有血并不一定是癌症,但是需要做进一步的检查.

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Alzheimer's disease ﹐ pneumonia, lung cancer, vomiting bleed, haemorrhoids blood in stool , physical injuries.

早老性痴呆﹐肺炎 ﹐ 肺痈 ﹐ 吐血﹐痔疮 ﹐ 便血 ﹐ 打扑伤肿毒等.

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