TABLE 1.

Association between clinicopathological features and infiltration of CD103⁺ T cell into metastatic lymph nodes (LNs).

	n	CD103+ cells		p‐Value*
		Low (n = 51)	High (n = 33)
Age
<60 year	63	36	27	0.307
>60 year	21	15	6
Sex
Female	11	8	3	0.515
Male	73	43	30
Location
Ut	20	11	9	0.844
Mt	39	24	15
Lt	25	16	9
Histological type
Well	8	5	3	0.529
Moderate	46	28	18
Poor	22	15	7
Unknown	8	3	5
Neoadjuvant chemotherapy
+	66	40	26	1
−	18	11	7
pT a
T1	23	12	11	0.0648
T2	19	8	11
T3	40	29	11
T4	2	2	0
pN a
N1	36	18	18	0.117
N2	29	18	11
N3	19	15	4
pStage a
Stage II	17	8	9	0.266
Stage III	51	31	20
Stage IV	16	12	4
pN‐JC b
N1	29	13	15	0.235
N2	43	29	14
N3	11	8	3
N4	2	1	1
Lymphatic invasion
+	58	41	17	0.0077*
−	26	10	16
Venous invasion
+	19	12	7	1
−	65	39	26

^*Fisher's exact probablity test; p < 0.05, statistically significant.

^a TNM Classification of Esophageal squamous cell carcinoma, 8th ed.

^b Japanese Classificasion of Esophageal Cancer, 11th ed.