Factors in prognosis of colon and rectal cancer

摘要: Early diagnosis is most important in the prognosis colorectal cancer because cause of unknown and an effective practical large-scale screening test, easily cheaply carried out, unavailable. If made early, when patient asymptomatic, prior to development complications or lesion precancerous, disease almost always localized adequate treatment gives excellent results. However, if symptoms have been present for months developed establishing (because neglect seeking advice physician lack tenacity evaluating patient's condition), surgical has inadequate, poor. Education physicians public remains improving results further. New knowledge new modalities should result improved not only but also other anatomic sites.