Table 1 Rate of high carbonic anhydrase IX (CA9) expression in each histologic group
Histologic type | Total (n) | High expression | Low expression |
|---|---|---|---|
N (%) | N (%) | ||
Adenocarcinoma | 112 | 101 (90Â %) | 11 (10Â %) |
High-grade dysplasia | 17 | 16 (94Â %) | 1 (6Â %) |
Low-grade dysplasia | 20 | 17 (85Â %) | 3 (15Â %) |
Barrett esophagus | 27 | 20 (74Â %) | 7 (26Â %) |
Columnar cell metaplasia | 58 | 48 (83Â %) | 10 (17Â %) |
Squamous cell carcinoma | 23 | 2 (9Â %) | 21 (91Â %) |
Squamous epithelium | 62 | 0 (0Â %) | 62 (100Â %) |