Ki-67 from Clinically and Histologically “Normal” Distant Mucosa as Prognostic Marker in Early-Stage (T1-T2N0) Oral Squamous Cell Carcinoma: A Prospective Study

A certain percentage of patients surgically treated for early T1-T2 OSCC will have an abnormal proliferative status in areas very distant from the primary tumor that seems to be related to a poor prognosis.