Methods The paraffin embedded tissue sections from 33 patients with TCC of bladder were reexamined. According to the UICC standard, 21 cases had surperficial tumors and 12 cases had invasive tumors.

• 方法 33例膀胱 TCC石蜡块标本均经病理复检 ,12例正常膀胱组织作为对照组。