Table 1.

Tomita prognostic score [7]

	Score 1	Score 2	Score 4
Primary tumour	Slow growth	Moderate growth	Rapid growth
Visceral metastases		Treatable	Untreatable
Bone metastases	Solitary	Multiple

For each category (primary tumour, visceral and bone metastases) a score of 1, 2 or 4 is allocated according to the table above; these scores are added to provide a total score up to a maximum of 10