Radiobiological impact of dose calculation algorithms on biologically optimized IMRT lung stereotactic body radiation therapy plans

Table 2 Dose-volume cost function parameters used in this study

Dose-volume cost function parameters
Structure	Function type	Physical Dose (Gy)
PTV	Max Dose	<63
	Min Dose	>60
Heart	Max Dose	<20
Spinal cord	Max Dose	<22
BilatLung-ITV	D12%	<20
Chest wall	D13%	<26
Esophagus	Max Dose	<30
	D30%	<24
Ring1	Max Dose	<52.8
Ring2	Max Dose	<30

ISSN: 1748-717X