The semiquantitative expression of cytokeratins (CKs) in the three groups of patients
| Group | |||
|---|---|---|---|
| A | B | C | |
| The numbers in parenthesis denote the percentage. | |||
| CK7 | |||
| Low | – | 3 (7) | 1 (2) |
| Intermediate | 3 (12) | 5 (12) | 11 (26) |
| High | 22 (88) | 33 (81) | 31 (72) |
| CK20 | |||
| Low | 1 (5) | 3 (10) | 3 (9) |
| Intermediate | 13 (68) | 22 (76) | 21 (62) |
| High | 5 (27) | 4 (14) | 10 (29) |