In order to clarify factors affecting recurrence, we reviewed 115 renal cell carcinoma patients without distant metastasis at diagnosis (Mo) treated from January 1975 to March 1990 at Sapporo Medical College Hospital. Of these 115 patients, recurrence (metastasis) was found in 23 (20.0%). The non-recurrence rate was 70.6% after the 5-year and 56.5% after the 10-year follow up. In 22 out of 23 p...