Table 2 Expression Patterns of Immunohistochemistry of β-catenin, CK 7 and CK 20.
Pattern of immunohistochemistry | |||||
|---|---|---|---|---|---|
β-catenin/CK 7/CK 20 | Primary colorectal cancer (%) | Lung metastasis from colorectal cancer (%) | Primary lung acinar adenocarcinoma (%) | ||
+ | - | + | 100 | 78.9 | 0 |
+ | - | - | 0 | 15.8 | 0 |
+ | + | + | 0 | 5.3 | 0 |
- | + | - | 0 | 0 | 90.9 |
- | - | - | 0 | 0 | 9.1 |