Table 3 . Prevalence of mid esophagitis among consecutive series of endoscopy clinic patients by anatomic site of cancer.
| Mid esophagitis | ||||
| No of subjects | None | Mild | Marked | |
| Non cancer patients | 419 | 380 (90.7) | 25 (6.0) | 14 (3.3) |
| Cancer patients | ||||
| Esophageal SCC | 234 | 202 (86.4) | 20 (8.5) | 12 (5.1) |
| Esophageal adenocarcinoma | 16 | 14 (87.5) | 0 (0) | 2 (12.5) |
| Gastric adenocarcinoma | 137 | 124 (90.5) | 7 (5.1) | 6 (4.4) |
| Suspicious for malignancy | 30 | 18 (60) | 6 (20) | 6 (20) |