TACSTD2 and Lymphatic Metastasis: TROP2 protein overexpression, along with histological grade and lymphatic metastasis were identified to be independent predictive factors for poor OS (p = 0.022, p = 0,023 and p = 0.002, respectively) and PFS (p = 0.016, p = 0.04 and p = 0.005, respectively).