Table 3.

Tomita scoring system.

Prognostic factors	Points
Primary tumor
Slow growth (breast, thyroid, etc.)	1
Moderate growth (kidney, uterus, etc.)	2
Rapid growth (lung, stomach, etc.)	4
Visceral metastases
Treatable	2
Untreatable	4
Bone metastases
Solitary or isolated	1
Multiple	2
Total points	Predicted prognosis
2–4	>2 years
4–6	1–2 years
6–8	6–12 months
8–10	<3 months