Table 2.

Correlation between clinicopathological findings and lymphatic flow.

	Lymphatic flow		P-value
	Present	Absent
Tumor location
Right side (C, A, T)	26	5
Left side (D, S)	17	9	0.1057
cStage
0–II	29	4
III, IV	14	10	0.0103b
pStage
0–II	31	7
III, IV	12	7	0.1348
Body mass indexa
High (≥ 22.9)	21	8
Low (< 22.9)	22	6	0.4890
Lymphatic invasion
Negative	27	5
Positive	16	9	0.0763
Injection timing
1 day before	32	8
2 days before	11	6	0.2294
CEA (ng/ml)
> 5	17	7
≤ 5	26	7	0.4927

^aBMI median 22.9, BMI high ≥ 22.9, BMI low < 22.9.

^bA P value less than 0.05 was considered significant.