Table 1.

Summary of all insert field size‐applicator combinations (X) constructed for dosimetric comparisons. Both copper and Cerrobend inserts were fabricated. Open applicators, requiring no custom insert (N/A), were not compared.

Field Size (cm2)	Applicator Size (cm2)
	$6\times 6$	$10\times 10$	$15\times 15$	$20\times 20$	$25\times 25$
$2\times 2$	X	X	X	X	X
$3\times 3$	X	X	X	X	X
$4\times 4$	X	X	X	X	X
$6\times 6$	N/A	X	X	X	X
$8\times 8$		X	X	X	X
$10\times 10$		N/A	X	X	X
$12\times 12$			X	X	X
$15\times 15$			N/A	X	X
$20\times 20$				N/A	X