[Possibilities of using polychemotherapy according to the COP protocol in lymphosarcoma of the gastrointestinal tract].

Based on the use in 119 patients, the COP scheme can be regarded as an effective method of drug therapy of lymphosarcoma of the gastrointestinal tract: the total efficacy amounts to 65.4% and is practically identical in primary (61.8%) and metastatic (70%) involvement of the alimentary tube into the pathological process. However, the attainment of complete remissions was stated in an insignificant number of patients (16%). The five-year survival is equal to 60.2%.