Table 2

Diagnostic history of patients with oesophageal cancer from February 2019 to August 2020, Addis Ababa, Ethiopia

VariableFrequencyPer cent
Stage at first diagnosis
 I206.0
 II5817.2
 III16749.4
 IV7622.4
 Unknown175.0
Histological subtype
 Oesophageal squamous carcinoma29085.8
 Oesophageal adenocarcinoma4513.3
 Unknown30.9
Histopathological differentiation
 Well-differentiated20259.8
 Moderately differentiated4713.8
 Poorly differentiated308.9
 Undifferentiated61.8
 Unspecified5315.7
Morphology of tumour during upper gastrointestinal endoscopy
 Ulcerative16749.4
 Obliterative11834.9
 Proliferative4513.3
 Ulceroproliferative82.4
Tumour location (histology)
 Upper (cervical)9528.1
 Middle oesophagus13941.1
 Lower oesophagus10430.8