Table 1.

Patient prescriptions, target volumes, and beam angles.

		Prescribed dose (Gy)			Target volume (cm3)			Beam angles (gantry, couch)
Patient	Number of fractions	CTV 3	CTV 2	CTV 1	CTV 3	CTV 2	CTV 1	Field 1	Field 2	Field 3
1	30	66	60	54	96.8	218.5	141.8	180°, 0°	295°, 20°	65°, 340°
2	33	70	63	57	206.9	426.7	227.6	180°, 0°	300°, 20°	60°, 340°
3	33	70	63	57	166.2	276.5	212.7	180°, 90°	300°, 15°	60°, 345°
4	33	70	63	57	138.7	253.3	282.3	180°, 0°	290°, 15°	70°, 345°