[Surgery of digestive system cancers in patients over 80 years of age].

231 patients over 80 years old were operated at the Clinique de chirurgie digestive of Geneva University Hospital between 1981 and 1990 for a malignant tumor of the gastrointestinal tract. The following parameters were studied: intra- and postoperative morbidity and mortality, duration and quality of survival. Surgery proved valid in this age group given its low mortality (15%). Postoperative morbidity (44%) did not prolong hospital stay, since 90% of all patients were discharged within one month of surgery. Following surgery, quality of life was excellent: 75% of patients returned home, and 80% were better off than pre-operatively. Such operations provide better results in term of mortality and survival when performed on an elective basis and curatively.