Table 1 Characteristics of the study population (n = 73)
Parameter | |
|---|---|
Mean age (y) | 63 ± 11.4 [24–81] |
Gender (M/F) | 26 (36%) / 47 (64%) |
Race/Ethnicity | |
 Caucasian | 39 (53%) |
 Asian | 21 (29%) |
 Hispanic | 7 (10%) |
 African American | 5 (7%) |
 Unknown | 1 (1%) |
Underlying liver disease (n = 21) | |
 HBV | 11 (52%) |
 HCV | 7 (33%) |
 Recurrent pyogenic cholangitis | 3 (15%) |
Cirrhosis | 3 |
Serum CA 19–9 (U/mL) | 4799.8 ± 23,672.4 [1–177,450] |
Mean lesion size on imaging (cm) | 6.8 ± 3.4 [1.4–16.0] |
Pathologic tumor grade | |
 Well differentiated (G1) | 0 (0%) |
 Moderately differentiated (G2) | 34 (47%) |
 Poorly differentiated (G3) | 36 (49%) |
 Unavailable | 3 (4%) |
Lymph node metastasis | 18 (25%) |
AJCC (8th edition) Tumor Stage | |
 Stage 1 | 17 (23%) |
 Stage 2 | 24 (33%) |
 Stage 3 | 32 (44%) |