Table 2.

Relationship of lesion size to number of stages required for clearance.

Largest Diameter of Lesion	Number	Mean Surgical Margin	P-value
≤5 mm	2/29	8.5 mm	0.1
≤10 mm	10/29	11.1 mm	0.13
≤20 mm	22/29	13.7 mm	0.2
≤30 mm	25/29	13.8 mm	<0.01
≤40 mm	26/29	13.7 mm	0.01
≤50 mm	27/29	13.4 mm	0.04