Energy Modulated Photon Radiotherapy: A Monte Carlo Feasibility Study

Table 3

Energy table determined by energy selector based on effective path length (EP) and tumor size (TS) in effective diameter. Energies in MV were grouped and illustrated with different superscript letters.

TS/cm	EP/cm
	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21
2	3	3	3	3	3	3	4	4	4	4	4	4	4	4	5	5	10	10	10	10
3		3	3	4	4	4	4	4	4	4	4	4	5	5	5	5	10	10	10	10
4			4	4	4	4	5	5	5	5	5	5	5	5	5	5	10	10	10	10
5			4	5	5	5	5	5	5	5	5	5	5	5	5	5	10	10	10	10
6			5	5	5	5	5	5	5	5	5	5	5	5	5	5	10	10	10	10
7				5	5	5	5	5	5	5	5	5	5	5	5	5	10	10	10	10
8				5	5	5	5	5	5	5	5	6	6	6	6	6	10	10	10	10
9					6	6	6	6	6	6	6	6	6	6	6	6	10	10	10	10
10					6	6	6	6	6	6	6	6	6	6	6	6	10	10	10	10
11						10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
12						10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
13							10	10	10	10	10	10	10	10	10	10	10	10	10	10
14							10	10	10	10	10	10	10	10	10	10	10	10	10	10
15								10	10	10	10	10	10	10	10	10	10	10	10	10
16								10	10	10	10	10	10	10	10	10	10	10	10	10