- n=64, 1998-2005 PSI, Switserland
- Adjuvant proton therapy after primary surgery or for
recurrent disease
- Chordoma: 3y-, 5y- local control 87%, 81%
- Chondrosarcoma: 3y-, 5y- local control 94%
- Comparison to surgery only: 10y-local control 31%;
Ares et al., IJROBP 75, 1111-18, 2009
Base of skull tumors