showed a trendP =0.054
When tumour size was dichotomized using the median value as the cut-off, larger tumours showed a trend towards a slightly poorer oxygenation status, but only regarding the mean pO 2 ( P =0.054).
When tumour size was dichotomized using the median value as the cut-off, larger tumours showed a trend towards a slightly poorer oxygenation status, but only regarding the mean pO 2 ( P =0.054).