failed to reach significanceP =0.15
The correlation of high cytoplasmic FLIP with poor prognosis was also apparent in both adenocarcinoma and squamous histological sub-types and was more marked in the squamous tumours, although these correlations failed to reach significance in these smaller sub-groups (adenocarcinoma: P =0.15, HR=1.54; squamous: P =0.07, HR=1.98; Supplementary Figure 2 ).