作者: Philip Quirke , Lynn Cawkwell
DOI: 10.1007/978-3-642-60514-7_7
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摘要: Molecular biological knowledge will only be used if it can replace or complement current knowledge. It must able to do this more rapidly and ideally at lower cost than methods. A large number of studies mature in the next 3–5 years make claims for value using a particular method clinical practice. Prior adopting them usage, they should carefully evaluated, since is relatively easier publish positive series negative series. when several retrospective preferably prospective have been performed compared against gold standards prognosis derived from histopathological staging grading rectal cancer that newer techniques adopted.