. 2012 Jul 13;42(8):670–685. doi: 10.1093/jjco/hys104

Table 9.

Sacral chordoma

Institutes	No. of patients	Treatment	5-year local control (%)	Overall survival (%)
Institutes	No. of patients	Treatment	5-year local control (%)	5 years	10 years
MGH (104)	27	Surgery + proton/photon	72	82	62
LBNL (105)	14	Surgery + He ion	55	85	22
Mayo Clinic (106)	52	Surgery	56	74	52
NIRS (94,109)	95	Carbon ions alone	88	86	74