大肠癌是结肠癌和直肠癌的总称。大肠癌是指升结肠、横结肠和直肠内壁黏膜上皮发生恶性病变,如果没有及早治疗,严重的可导致死亡。有医学家认为,大肠癌的发生与慢性炎症、遗传有关,但医学界至今仍不知道导致大肠癌的真正原因。近年来,大肠癌病人越来越多,情况令人担忧。在我国,由于人们对大肠癌了解不多,所以有了症状也不在 Colorectal cancer is a general term for colon and rectal cancer. Colorectal cancer refers to malignant lesions of the ascending colon, transverse colon and rectal lining mucosal epithelium, which, if not treated early, can result in serious death. Some medical experts believe that the occurrence of colorectal cancer and chronic inflammation, genetic, but the medical profession still does not know the real cause of colorectal cancer. In recent years, more and more patients with colorectal cancer, the situation is worrying. In our country, people have no symptoms because they do not know much about colorectal cancer