FDG-PET: M-staging
8%
18%
24%
0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
50%
I
II
III
Unexpected distant metastases after conventional staging
UICC-stage
MacManus, M., Int J Radiat Oncol Biol Phys 2001