Local recurrence may be owing to seeding within the distal urothelial tract, particularly in tumors with a configuration that is polypoid and which open into the bladder cavity.

• 肿瘤局部复发或许是因为癌细胞发生了尿道内的远端播散，尤其是肿瘤在膀胱腔面呈息肉样生长者。