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. 2024 Nov 27;4:1480471. doi: 10.3389/fnume.2024.1480471

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.