Histololy of tumors: TCC tumors (transitional cell carcinoma): 72/77 cases (93.5%), adenocarcinoma tumors: 5/77 cases (6.5%); non-muscle invasive TCC tumors: 4/77 cases (5.2%), muscle invasive TCC tumors: 73/77 cases (94.8%), positive lymph nodes in 6 / 77 cases (7.8%).