Application of Carbon Nanoparticles in Neck Dissection of Clinically Node-Negative Papillary Thyroid Carcinoma

Table 2

Distribution of black-stained LNs in the lateral compartment of CN0PTC patients.

	Number of sides	Positive for metastasis proof by intraoperative frozen section
No black-stained LN detected in lateral compartment	11	—
II level	1	0
III level	17	5
II, III level	6	5 (II: 1; III: 2; II+III: 2)
III, IV level	5	0
Total	40	10

PTC: papillary thyroid carcinoma; LN: lymph node.