highly significantp < 0.018
As expected the well-established prognostic factors TNM classification, tumor grading, perineural, vascular and lympho-vascular invasion had a highly significant impact on DFS, DSS and OS (all p < 0.018).
As expected the well-established prognostic factors TNM classification, tumor grading, perineural, vascular and lympho-vascular invasion had a highly significant impact on DFS, DSS and OS (all p < 0.018).