Table 7. Distribution of lymph nodes with the primary lesion length.

Length of the primary lesion	Patients with cervical lymph node involvement	Patients with thoracic lymph node involvement	Patients with abdominal lymph node involvement	Patients with overall lymph node involvement
Up to 40 mm (5)	0	0	1	1 (20%)
More than 40 mm (26)	2	13	9	16 (61.5%)
Total (31)	2	13	10	17 (54.8%)
Mean length	64 mm	61.5 mm	48.6 mm	55.32 mm