Table 4. Distribution of cases of lymph node metastases with primary lesion stage.

Stage of the primary lesion (n)	Patients with cervical lymph node involvement	Patients with thoracic lymph node involvement	Patients with abdominal lymph node involvement	Patients with overall lymph node involvement
T1 (5)	0	1	1	2 (40%)
T2 (20)	2	8	7	10 (50%)
T3 (6)	0	4	2	5 (83%)
Total	2	13	10	17