showed a trendp = 0.10
In the univariate analysis, an age above 80 years (HR 2.22, CI 1.07–4.60, p < 0.05) and nodal disease (HR 3.68, CI 1.52–8.95, p < 0.01) were found to result in reduced OS, while positive resection margins showed a trend towards impaired OS (HR 5.38, CI 0.70–41.08, p = 0.10).