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Prognostic importance of "clear versus revised margins" in oral and pharyngeal cancer

Kwok, Pingling ; Gleich, Otto ; Hübner, Gerhard ; Strutz, Jürgen


BACKGROUND: Opinions differ regarding the usefulness of accurate, but costly, frozen sections. Most physicians believe that negative margins are essential for the prognosis of patients with oral and pharyngeal cancer. We examined whether immediate repeated resections in patients with positive margins, based on findings from frozen sections, resulted in improved patient survival. METHODS: Data ...


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