ITGA5 and urinary bladder cancer: It was reported that some members of the integrin alpha V family (integrin alpha V beta 5, integrin alpha V beta 6, and integrin alpha V beta 8) were up‐regulated in gastric cancer, integrin alpha 5 was a prognostic factor in early stage non‐small‐cell lung cancer, and bladder cancer cell lines expressed integrin alpha 5 at high levels.27, 28, 29 However, the expression of integrin alpha 5 in gastric cancer had not been evaluated before.