Postradiotherapy regression--a prognostic factor in rectal neoplasm.

摘要: Preoperative radiotherapy is standard procedure in rectal cancer treatment protocols. Experience and analysis of clinical laboratory features the results this have established that response to radiotherapy, order reduce volume tumor adenopathies stations I II highly variable, from complete disappearance mass, lack response. The conjunction with pathological immunohistochemical data could allow assessment prognosis cancer. For purpose we proposed conducting a trial examine grading, markers, possible genetic changes degree post-radic regression postterapeutic prognosis. Based on these criteria would be establish group which patient stands still pretherapeutic phase. In way type presurgical radiation shade, sometimes being made ineffective. We come lot preliminary statistics, value working hypothesis.