Correlation of FAP Expression with Clinicopathologic Factors
| Factor | n | FAP immunohistochemistry | P |
|---|---|---|---|
| All cases | 116 | 8 (2–30) | |
| Histologic subtype | |||
| Adenocarcinoma | 78 | 8 (2–25) | |
| Anaplastic carcinoma | 27 | 12 (1–30) | 0.857 |
| SmCC | 11 | 7 (2–40) | 0.818 |
| Site of metastasis | |||
| Nodal metastasis | 44 | 4 (1–21) | |
| Distant metastasis | 63 | 15 (5–48) | 0.021* |
| Bone vs. nonosseous metastasis | |||
| Bone | 15 | 8 (1–20) | |
| Nonosseous | 48 | 16 (5–37) | 0.107 |
↵* P < 0.05.
FAP immunohistochemistry data are median with IQR in parentheses.