Table 7.

Staging by grade (high grade = IV) and tumor size trichotomized.

Grade	Size (cm)	No. of patients	Survival	95% CI
I-III	any	218	0.87	0.90–0.85
IV	1–5	95	0.70	0.80–0.61
IV	6–10	116	0.55	0.65–0.46
IV	>10	61	0.41	0.54–0.28