Predictive and Prognostic Factors in Definition of Risk Groups in Endometrial Carcinoma

Table 3

Techniques used for the external beam pelvic radiotherapy.

Parameter	Specification
Type of field	4-field box technique
Radiation quality	6–50 MV (linear accelerators)
Dose per fraction	1.8–2.0 Gy
Number of fractions	23 (median) (range 5–26)
Total dose	46.0 Gy (median) (range 6–50 Gy)
Fractionation	Daily fractions, 5 fractions per week
Superior field border	L5-S1 disk
Inferior field border	Lower margin of the fossa obturatoria
Lateral borders	1 cm lateral of the linea terminals