Correlation between Macrophage Polarization and PD-L1-Related Tumor Microenvironmental Alteration and Metastasis in Pancreatic Ductal Adenocarcinoma

Table 1

Basic clinicopathologic data for primary pancreas tumor.

Characteristics	Primary tumor
Gender (no. (%))
Male	22 (52.4)
Female	20 (47.6)
Maximum diameter of tumor
Mean (cm (SD))	4.1 (1.9)
Range (cm)	1.8–10
Grade (no. (%))
High/moderate differentiation	20 (47.6)
Poor differentiation	22 (52.4)
Vascular invasion (no. (%))
Yes	26 (61.9)
No	16 (38.1)
Perineural invasion (no. (%))
Yes	41 (97.6)
No	1 (2.4)
TNM, n (%)
I	0 (0)
II	26 (61.9)
III	7 (16.7)
IV	9 (21.4)
Elevated serum CA19-9
Yes	38 (90.5)
No	4 (9.5)
Elevated serum CA125
Yes	14 (33.3)
No	28 (66.7)