An integrated strategy of biological and physical constraints in biological optimization for cervical carcinoma

Radiation Oncology

Table 1 Clinical requirements to target and OARs

Structures		Constraints
Structures		Mean dose	Dose volume
PTV		-	At least 95% volume of PTV to receive the prescribed dose
OAR	Rectum	<35 Gy	Less than 40% volume to exceed 40 Gy
	Bladder	<35 Gy	Less than 40% volume to exceed 40 Gy
	Femur-heads	<25 Gy	Less than 5% volume to exceed 40 Gy

ISSN: 1748-717X