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Table 1 Histological findings and Cdx2 expression in the rat model of esophageal carcinogenesis.

From: CDX2 hox gene product in a rat model of esophageal cancer

Histology   Cdx2 expression Group A (<10 weeks, n = 22) Group B (10–30 weeks, n = 22) Group C (>30 weeks, n = 20)
    cases (%) cases (%) cases (%)
Non-ulcerative esophagitis - 22/22
(100.0%)
22/22
(100.0%)
20/20
(100.0%)
Inflammatory-ulcerative lesions + 15/22
(68.2%)
14/22
(63.6%)
16/20
(80.0%)
Regenerative-hyperplastic lesions + 10/22
(45.5%)
8/22
(36.4%)
10/20
(50.0%)
Metaplastic lesions IM + 2/22
(9.1%)
9/22
(40.9%)
12/20
(60.0%)
  MLE     
Carcinomas Ac + 0/22
(0.0%)
8/22
(36.4%)
7/20
(35.0%)
  SCC - 0/22
(0.0%)
2/22
(9.1%)
2/20
(10.0%)
  1. Note: n = number of cases; wks = weeks; IM = intestinal metaplasia; MLE = multilayered epithelium; Ac = adenocarcinomas; SCC = squamous cell carcinomas.