Between 1985 and 1990, superficial epithelial tumors of gallbladder were found in 98 patients. Peculiar aspects such as age, sex, symptoms, clinical and laboratory diagnosis, surgical treatment, additional interventions, postoperative treatment, anatomo-pathological examination, pTNM classification and tumoral grading, postoperative recurrences, occurring after the primary and adjuvant treatment, were analysed. After some general comments, the authors point out that in their experience the lowest rate of postoperative recurrences was obtained by a multimodal treatment, that is surgery and vesical instillations with cytostatics or B.C.G. vaccine, according to EORCT scheme.