[Characteristics of peritonitis in cancer of the gastrointestinal tract].

Under analysis was material of treatment of 63 patients with gastric and colonic cancer complicated by acute peritonitis. An atypical asymptomatic course of the subreactive and a reactive forms of peritonitis is associated with pronounced inhibition of factors of antiinfection defense in elderly patients with the III-IV degrees of cancer. Complex stimulating therapy is indicated in the postoperative period because of immunodepression taking place after urgent operative interventions.