Comparison of 3D Conformal Proton Therapy, Intensity-Modulated Proton Therapy, and Intensity-Modulated Photon Therapy for Retroperitoneal Sarcoma

Table 1

Patient characteristics.

Age	Sex	Histology	Planning target volume size (cc)
69	Female	Sarcoma	410
62	Male	Sarcoma	324
59	Male	Liposarcoma	160
45	Female	Sarcoma	194
39	Female	Chondrosarcoma	712
33	Male	Myxoid liposarcoma	287
71	Female	Dedifferentiated liposarcoma	2552
51	Female	Connective tissue sarcoma	1502
51	Male	Dedifferentiated liposarcoma	1142
46	Female	Connective tissue sarcoma	598