Table 1.
FAP immunohistochemistry by tumor type.
| Negative | Weak positive | Moderate positive | Strong positive | |
|---|---|---|---|---|
| CCA | 1 (1.7%) | 3 (5.2%) | 6 (10.3%) | 48 (82.8%) |
| HCC | 81 (57.0%) | 19 (13.4%) | 8 (5.6%) | 34 (24.0%) |
| mHCC | 9 (32.1%) | 2 (7.2%) | 8 (28.6%) | 9 (32.1%) |
| HCA | 20 (76.9%) | 3 (11.5%) | 0 (0.0%) | 3 (11.6%) |
| FNH | 15 (78.9%) | 0 (0.0%) | 3 (15.8%) | 1 (5.3%) |
CCA, cholangiocarcinoma; FNH, focal nodular hyperplasia; HCA, hepatocellular adenoma; HCC, hepatocellular carcinoma; mHCC, metastatic hepatocellular carcinoma.