High expression of AMAP1, an ARF6 effector, is associated with elevated levels of PD-L1 and fibrosis of pancreatic cancer

Table 1 General characteristics of the patients whose samples were analyzed by tissue micro array analysis (n = 164)

	n (%)
Sex
Male	96 (58.5%)
Female	68 (41.5%)
Age, yr	65 (43–89)^b
Tumor location
Head^a	94 (57.3%)
Body + tail	70 (42.7%)
Tumor size, cm	3.0 (1.0–8.0)^b
Surgical margin
Positive	23 (14.0%)
Negative	141 (86.0%)
pT
1 + 2	7 (4.3%)
3 + 4	157 (95.7%)
Regional lymph node metastasis
Positive	125 (76.2%)
Negative	39 (23.8%)
Distant metastasis
Positive	12 (7.3%)
Negative	152 (92.7%)
Pathological stage
IA-IIA	38 (23.2%)
IIB-IV	126 (76.8%)
Lymphatic invasion
Positive	107 (65.2%)
Negative	57 (34.8%)
Vascular invasion
Positive	135 (82.3%)
Negative	29 (17.7%)
Perineural invasion
Positive	144 (88.4%)
Negative	20 (11.6%)
Adjuvant chemotherapy ^c
Positive	83 (50.6%)
Negative	80 (48.8%)
Recurrent disease^d
Positive	131 (79.9%)
Negative	31 (18.8%)

^aOne pancreas head tumor metastasized to other parts of the body
^bValues represent the median (range)
^cInformation regarding adjuvant chemotherapy could not be obtained for one patients
^dInformation regarding recurrence could not be obtained for two patients

ISSN: 1478-811X