[Risk factors for secondary diseases after therapy of hypernephromas (author's transl)].

93 patients who had been irradiated before or after surgery of a hypernephroma were checked up in order to find secondary diseases. The three-year survival rate was 76.2% and the five-year survival rate 63.6%. 34 patients suffered from secondary diseases in the gastrointestinal tract. Sixteen patients had died, three of them because of therapy effects, six because of tumor recurrences and seven because of other factors. Two patients had local recurrences. The following risk factors for secondary diseases were found: tumor site in the right kidney, NSD over 1430-1480 ret and transperitoneal nephrectomy.