MKI67 and Cushing syndrome: Regarding OS, Cushing’s syndrome (p = 0.013), an ENSAT 3/4 stage (p < 0.0001), a Weiss score > 6 (p < 0.0001), a Ki67 index > 10% (p < 0.0001), and strong SOAT1 protein expression (p = 0.007), were associated with reduced OS.