PTEN and neoplasm: Moreover, there was no significant correlation between PTEN and other clinicopathological parameters, including ethnic group (P = 0.464), gross type (P = 0.691), tumor size (P = 0.996), differentiation (P = 0.752), invasion depth (P = 0.641), uterine corpus invasion (P = 0.628), vascular invasion (P = 0.136), nerve invasion (P = 0.865), vagina invasion (P = 0.554), lymph node metastasis (P = 0.582), and FIGO stage (P = 0.597; Table 7).