Research Article

A Predictive Model to Determine the Pattern of Nodal Metastasis in Oral Squamous Cell Carcinoma

Figure 1

BM: buccal mucosa, FOM: floor of the mouth, LALR: lower alveolar ridge, P: palate, T: tongue, UALR: upper alveolar ridge. I, II, III, and IV: pattern of invasion types at the advancing front of the tumour.