861 / 1542
0
5
10
15
20
25
30
35
40
45
50
1954
1958
1962
1966
1970
1974
1978
1982
1986
1990
1994
1998
2002
2006
2010
Opened facility Closed facility
http://ptcog.web.psi.ch/Archive/pat_statistics.pdf• Currently approx. 50 running facilities worldwide
• >150.000 irradiated patients, mostly with protons (>130.000)
Particle therapy treatment sites