Table 1.

Descriptive characteristics of multifocality in patients with PTC.

	n	%
TNF
2	80/152	52.6%
3	26/152	17.1%
4	14/152	9.2%
5	12/152	7.9%
6–10	10/152	6.6%
11–20	3/152	2%
21–30	6/152	4%
31–50	1/152	0.7%
SDSF (mm)
5–10	12/152	7.9%
11–20	54/152	35.5%
21–30	44/152	29%
31–40	19/152	12.5%
41–50	8/152	5.2%
51–70	10/152	6.6%
71–116	5/152	3.3%

PTC, papillary thyroid cancer; SDSF, sum of diameters of single foci, TNF, total number of foci.