Diagnostic history of patients with oesophageal cancer from February 2019 to August 2020, Addis Ababa, Ethiopia
| Variable | Frequency | Per cent |
| Stage at first diagnosis | ||
| I | 20 | 6.0 |
| II | 58 | 17.2 |
| III | 167 | 49.4 |
| IV | 76 | 22.4 |
| Unknown | 17 | 5.0 |
| Histological subtype | ||
| Oesophageal squamous carcinoma | 290 | 85.8 |
| Oesophageal adenocarcinoma | 45 | 13.3 |
| Unknown | 3 | 0.9 |
| Histopathological differentiation | ||
| Well-differentiated | 202 | 59.8 |
| Moderately differentiated | 47 | 13.8 |
| Poorly differentiated | 30 | 8.9 |
| Undifferentiated | 6 | 1.8 |
| Unspecified | 53 | 15.7 |
| Morphology of tumour during upper gastrointestinal endoscopy | ||
| Ulcerative | 167 | 49.4 |
| Obliterative | 118 | 34.9 |
| Proliferative | 45 | 13.3 |
| Ulceroproliferative | 8 | 2.4 |
| Tumour location (histology) | ||
| Upper (cervical) | 95 | 28.1 |
| Middle oesophagus | 139 | 41.1 |
| Lower oesophagus | 104 | 30.8 |