Table 1 Results of immunohistochemical analysis for autopsy specimen
Tumor around the hepatoduodenal ligament | Adenocarcinoma at the stromal site of B3 | IPNB | BilIN | Non-neoplastic bile duct | |
|---|---|---|---|---|---|
γ-H2AX | + | + | ++ | ++ | ++ |
S100P | ++ | ++ | ++ | ++ | − |
PD-L1 | + (< 5%) | − | + (< 5%) | + (< 5%) | − |