TP63 and carcinoma: The rate of p63 positive cases and the staining intensity was lower in pTaG3 tumours (93.2%, p < 0.0001 for pTaG3 vs. pTaG2) and markedly lower in pT2‐4 carcinomas (83.5%, p = 0.0120 for pT2‐4 vs. pTaG3).