The term nonmuscle invasive bladder cancer covers a spectrum of tumors with varying degrees of clinical behavior. The low-grade Ta lesions commonly recur but rarely progress to muscle invasion.
2007;4(8):432-443. Raman and colleagues reported that, following definitive surgical resection of upper-tract TCC (nephroureterectomy or segmental ureterectomy), bladder tumors developed in 44% of ...