Table 1.

The ITV differences (%) for the eight patients studied.

ITV Differences (%)
Tumour Diameter		10 mm	20 mm	30 mm
Patient Number	1	46	28	23
	2	80	53	36
	3	81	41	29
	4	46	33	21
	5	91	75	58
	6	127	78	49
	7	111	81	58
	8	121	99	69