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Distribution of histopathological subtypes of cancer of esophagus by site
| Histopathological subtypes | Upper third | Middle third | Lower third | TOTAL, N(%) |
| Squamous cell carcinoma (SCC) | 6 | 37 | 23 | 66(92.96) |
| Adenocarcinoma (ADC) | 0 | 1 | 4 | 5(7.04) |
| TOTAL, N(%) | 6(8.45) | 38(53.52) | 27(38.03) | 71(100.00) |
Ratio of SCC: ADC = 13.1:1.0
