Does restaging transurethral resection of bladder tumor influence outcomes in patients treated with BCG immunotherapy? 491 cases in 20 years’ experience - Wojciech Krajewski; Romuald Zdrojowy; Katarzyna Kościelska-Kasprzak; Janusz Dembowski; Michał Wróbel; Mateusz Łuczak; Anna Kołodziej (Videosurgery and Other Miniinvasive Techniques)