Large intestine ill cancer calls colonic cancer sometimes, colonitis, colonic to chronic ulcer sex polyp reachs the patient of chronic schistosomiasis, should to producing large intestine cancerous possibility keeps vigilant.

• 大肠病癌有时称为结肠癌，对于慢性溃疡性结肠炎、结肠息肉及慢性血吸虫病的病人，应该对发生大肠癌的可能性保持警惕。