PLXDC2 and neoplasm: The level of tumor invasion (T4-T4b of AJCC was considered to be of level of invasion, and T0-T3 was considered to be of low level of invasion, T4 is the demarcation point between whether the tumor invades the serosa and adjacent organs) of PLXDC2 high staining score group was significantly stronger than that of PLXDC2 low staining score group (Figure 7F).