SNAI1 and neoplasm: With increasing of the tumor grade from T1 to T2, among the 24 discussed CTC populations, the number of CTCs with CD45–EpCAM+CK7+Snail–N-cadherin+Vimentin+ phenotype decreased (0.00–0.83) cell per ml and 0.83 (0.83–2.22) cells per ml, respectively, p = 0.023).