7. Based on the risk factors and propensity of lymph node metastasis (LNM) and poorer survivals seen in retrospective studies as discussed in the introduction, only patients with any one (1) of high risk features such as LVI, tumors >1.2 cm, and high grade will be enrolled (Grade is the pathologic term defining the degree of differentiation. Grade 1 is well differentiated, Grade 2 is moderately differentiated, and Grade 3 is poorly differentiated).