Table 1 Main patient characteristics.

Gender

18 females

9 males

Median age

66 (range 36-90)

Median Karnofsky performance status

90 (range 80-100)

Clinical stage

(baseline work-up with CT alone)

2 T1 N0 M0

4 T2 N0 M0

9 T3 N0 M0

2 T1 N1 M0

4 T2 N2 M0

2 T3 N2 M0

1 T4 N2 M0

1 T3 N3 M0

1 T4 N3 M0

1 T3 N2 M1