Fig. 4
Bcl-6 expression levels according to clinic-pathological features: a Statistical analyses of Bcl-6 expression between superficial and invasive histological stages of bladder cancer ***p = 0.0003. b Statistical analyses of Bcl-6 expression between low and high histological grades of bladder cancer ****p < 0.0001. c No correlation between Bcl-6 expression and recurrence. d No correlation between Bcl-6 expression and tumor progression